Finding the Third Proportional to 331,915.50 and 707,265

Step by Step Solution

1. Step 1: Write the proportion equation
   331,915.50 : 707,265 = 707,265 : x
2. Step 2: Convert to fraction form
   331,915.50/707,265 = 707,265/x
3. Step 3: Cross multiply
   331,915.50x = 707,265 × 707,265
4. Step 4: Simplify right side
   331,915.50x = 500,223,780,225
5. Step 5: Solve for x
   x = 500,223,780,225/331,915.50
6. Step 6: Final answer
   x = 1,507,081.71