Finding the Third Proportional to 520,632 and 787,500

Step by Step Solution

1. Step 1: Write the proportion equation
   520,632 : 787,500 = 787,500 : x
2. Step 2: Convert to fraction form
   520,632/787,500 = 787,500/x
3. Step 3: Cross multiply
   520,632x = 787,500 × 787,500
4. Step 4: Simplify right side
   520,632x = 620,156,250,000
5. Step 5: Solve for x
   x = 620,156,250,000/520,632
6. Step 6: Final answer
   x = 1,191,160.45