Finding the Third Proportional to 541,231.50 and 856,965

Step by Step Solution

1. Step 1: Write the proportion equation
   541,231.50 : 856,965 = 856,965 : x
2. Step 2: Convert to fraction form
   541,231.50/856,965 = 856,965/x
3. Step 3: Cross multiply
   541,231.50x = 856,965 × 856,965
4. Step 4: Simplify right side
   541,231.50x = 734,389,011,225
5. Step 5: Solve for x
   x = 734,389,011,225/541,231.50
6. Step 6: Final answer
   x = 1,356,885.20