Finding the Third Proportional to 51,690,748 and 80,028,653

Step by Step Solution

1. Step 1: Write the proportion equation
   51,690,748 : 80,028,653 = 80,028,653 : x
2. Step 2: Convert to fraction form
   51,690,748/80,028,653 = 80,028,653/x
3. Step 3: Cross multiply
   51,690,748x = 80,028,653 × 80,028,653
4. Step 4: Simplify right side
   51,690,748x = 6,404,585,300,994,409
5. Step 5: Solve for x
   x = 6,404,585,300,994,409/51,690,748
6. Step 6: Final answer
   x = 123,901,966.00