Finding the Third Proportional to 361,791 and 531,847.69

Step by Step Solution

1. Step 1: Write the proportion equation
   361,791 : 531,847.69 = 531,847.69 : x
2. Step 2: Convert to fraction form
   361,791/531,847.69 = 531,847.69/x
3. Step 3: Cross multiply
   361,791x = 531,847.69 × 531,847.69
4. Step 4: Simplify right side
   361,791x = 282,861,962,699.10
5. Step 5: Solve for x
   x = 282,861,962,699.10/361,791
6. Step 6: Final answer
   x = 781,838.03