Finding the Third Proportional to 619.50 and 932.06

Step by Step Solution

1. Step 1: Write the proportion equation
   619.50 : 932.06 = 932.06 : x
2. Step 2: Convert to fraction form
   619.50/932.06 = 932.06/x
3. Step 3: Cross multiply
   619.50x = 932.06 × 932.06
4. Step 4: Simplify right side
   619.50x = 868,740.50
5. Step 5: Solve for x
   x = 868,740.50/619.50
6. Step 6: Final answer
   x = 1,402.33