Finding the Third Proportional to 86,544,542 and 123,750,399

Step by Step Solution

1. Step 1: Write the proportion equation
   86,544,542 : 123,750,399 = 123,750,399 : x
2. Step 2: Convert to fraction form
   86,544,542/123,750,399 = 123,750,399/x
3. Step 3: Cross multiply
   86,544,542x = 123,750,399 × 123,750,399
4. Step 4: Simplify right side
   86,544,542x = 15,314,161,252,659,200
5. Step 5: Solve for x
   x = 15,314,161,252,659,200/86,544,542
6. Step 6: Final answer
   x = 176,951,208.00