Finding the Third Proportional to 31,198,748 and 69,567,204

Step by Step Solution

1. Step 1: Write the proportion equation
   31,198,748 : 69,567,204 = 69,567,204 : x
2. Step 2: Convert to fraction form
   31,198,748/69,567,204 = 69,567,204/x
3. Step 3: Cross multiply
   31,198,748x = 69,567,204 × 69,567,204
4. Step 4: Simplify right side
   31,198,748x = 4,839,595,872,377,616
5. Step 5: Solve for x
   x = 4,839,595,872,377,616/31,198,748
6. Step 6: Final answer
   x = 155,121,477.07