Finding the Third Proportional to 152,971.50 and 331,362

Step by Step Solution

1. Step 1: Write the proportion equation
   152,971.50 : 331,362 = 331,362 : x
2. Step 2: Convert to fraction form
   152,971.50/331,362 = 331,362/x
3. Step 3: Cross multiply
   152,971.50x = 331,362 × 331,362
4. Step 4: Simplify right side
   152,971.50x = 109,800,775,044
5. Step 5: Solve for x
   x = 109,800,775,044/152,971.50
6. Step 6: Final answer
   x = 717,785.83