Finding the Third Proportional to 12,712,830 and 27,802,398

Step by Step Solution

1. Step 1: Write the proportion equation
   12,712,830 : 27,802,398 = 27,802,398 : x
2. Step 2: Convert to fraction form
   12,712,830/27,802,398 = 27,802,398/x
3. Step 3: Cross multiply
   12,712,830x = 27,802,398 × 27,802,398
4. Step 4: Simplify right side
   12,712,830x = 772,973,334,550,404
5. Step 5: Solve for x
   x = 772,973,334,550,404/12,712,830
6. Step 6: Final answer
   x = 60,802,617.08