Finding the Third Proportional to 152,562.38 and 319,066.31

Step by Step Solution

1. Step 1: Write the proportion equation
   152,562.38 : 319,066.31 = 319,066.31 : x
2. Step 2: Convert to fraction form
   152,562.38/319,066.31 = 319,066.31/x
3. Step 3: Cross multiply
   152,562.38x = 319,066.31 × 319,066.31
4. Step 4: Simplify right side
   152,562.38x = 101,803,311,772.35
5. Step 5: Solve for x
   x = 101,803,311,772.35/152,562.38
6. Step 6: Final answer
   x = 667,289.77