Finding the Third Proportional to 12,787,911,852,920 and 27,613,995,074,368

Step by Step Solution

1. Step 1: Write the proportion equation
   12,787,911,852,920 : 27,613,995,074,368 = 27,613,995,074,368 : x
2. Step 2: Convert to fraction form
   12,787,911,852,920/27,613,995,074,368 = 27,613,995,074,368/x
3. Step 3: Cross multiply
   12,787,911,852,920x = 27,613,995,074,368 × 27,613,995,074,368
4. Step 4: Simplify right side
   12,787,911,852,920x = 762,532,723,967,220,151,304,060,928
5. Step 5: Solve for x
   x = 762,532,723,967,220,151,304,060,928/12,787,911,852,920
6. Step 6: Final answer
   x = 59,629,182,053,917.81