Finding the Third Proportional to 152,932 and 316,616

Step by Step Solution

1. Step 1: Write the proportion equation
   152,932 : 316,616 = 316,616 : x
2. Step 2: Convert to fraction form
   152,932/316,616 = 316,616/x
3. Step 3: Cross multiply
   152,932x = 316,616 × 316,616
4. Step 4: Simplify right side
   152,932x = 100,245,691,456
5. Step 5: Solve for x
   x = 100,245,691,456/152,932
6. Step 6: Final answer
   x = 655,491.93