Finding the Third Proportional to 361,812 and 531,883.50

Step by Step Solution

1. Step 1: Write the proportion equation
   361,812 : 531,883.50 = 531,883.50 : x
2. Step 2: Convert to fraction form
   361,812/531,883.50 = 531,883.50/x
3. Step 3: Cross multiply
   361,812x = 531,883.50 × 531,883.50
4. Step 4: Simplify right side
   361,812x = 282,900,057,572.25
5. Step 5: Solve for x
   x = 282,900,057,572.25/361,812
6. Step 6: Final answer
   x = 781,897.94