Finding the Third Proportional to 12,349,019,679 and 16,661,726,889

Step by Step Solution

1. Step 1: Write the proportion equation
   12,349,019,679 : 16,661,726,889 = 16,661,726,889 : x
2. Step 2: Convert to fraction form
   12,349,019,679/16,661,726,889 = 16,661,726,889/x
3. Step 3: Cross multiply
   12,349,019,679x = 16,661,726,889 × 16,661,726,889
4. Step 4: Simplify right side
   12,349,019,679x = 277,613,142,923,625,627,648
5. Step 5: Solve for x
   x = 277,613,142,923,625,627,648/12,349,019,679
6. Step 6: Final answer
   x = 22,480,581,466.37