Finding the Third Proportional to 138,063,097.69 and 297,643,384.69

Step by Step Solution

1. Step 1: Write the proportion equation
   138,063,097.69 : 297,643,384.69 = 297,643,384.69 : x
2. Step 2: Convert to fraction form
   138,063,097.69/297,643,384.69 = 297,643,384.69/x
3. Step 3: Cross multiply
   138,063,097.69x = 297,643,384.69 × 297,643,384.69
4. Step 4: Simplify right side
   138,063,097.69x = 88,591,584,448,231,104
5. Step 5: Solve for x
   x = 88,591,584,448,231,104/138,063,097.69
6. Step 6: Final answer
   x = 641,674,610.61