Finding the Third Proportional to 138,231,444 and 296,976,810

Step by Step Solution

1. Step 1: Write the proportion equation
   138,231,444 : 296,976,810 = 296,976,810 : x
2. Step 2: Convert to fraction form
   138,231,444/296,976,810 = 296,976,810/x
3. Step 3: Cross multiply
   138,231,444x = 296,976,810 × 296,976,810
4. Step 4: Simplify right side
   138,231,444x = 88,195,225,677,776,096
5. Step 5: Solve for x
   x = 88,195,225,677,776,096/138,231,444
6. Step 6: Final answer
   x = 638,025,785.78