Finding the Third Proportional to 138,231,410 and 296,976,736

Step by Step Solution

1. Step 1: Write the proportion equation
   138,231,410 : 296,976,736 = 296,976,736 : x
2. Step 2: Convert to fraction form
   138,231,410/296,976,736 = 296,976,736/x
3. Step 3: Cross multiply
   138,231,410x = 296,976,736 × 296,976,736
4. Step 4: Simplify right side
   138,231,410x = 88,195,181,725,213,696
5. Step 5: Solve for x
   x = 88,195,181,725,213,696/138,231,410
6. Step 6: Final answer
   x = 638,025,624.75