Finding the Third Proportional to 492,082.50 and 803,520

Step by Step Solution

1. Step 1: Write the proportion equation
   492,082.50 : 803,520 = 803,520 : x
2. Step 2: Convert to fraction form
   492,082.50/803,520 = 803,520/x
3. Step 3: Cross multiply
   492,082.50x = 803,520 × 803,520
4. Step 4: Simplify right side
   492,082.50x = 645,644,390,400
5. Step 5: Solve for x
   x = 645,644,390,400/492,082.50
6. Step 6: Final answer
   x = 1,312,065.34