Finding the Third Proportional to 357,552 and 530,143.31

Step by Step Solution

1. Step 1: Write the proportion equation
   357,552 : 530,143.31 = 530,143.31 : x
2. Step 2: Convert to fraction form
   357,552/530,143.31 = 530,143.31/x
3. Step 3: Cross multiply
   357,552x = 530,143.31 × 530,143.31
4. Step 4: Simplify right side
   357,552x = 281,051,931,788.47
5. Step 5: Solve for x
   x = 281,051,931,788.47/357,552
6. Step 6: Final answer
   x = 786,044.92