Finding the Third Proportional to 12,786,842 and 27,387,436

Step by Step Solution

1. Step 1: Write the proportion equation
   12,786,842 : 27,387,436 = 27,387,436 : x
2. Step 2: Convert to fraction form
   12,786,842/27,387,436 = 27,387,436/x
3. Step 3: Cross multiply
   12,786,842x = 27,387,436 × 27,387,436
4. Step 4: Simplify right side
   12,786,842x = 750,071,650,654,096
5. Step 5: Solve for x
   x = 750,071,650,654,096/12,786,842
6. Step 6: Final answer
   x = 58,659,647.99