Finding the Third Proportional to 516,123 and 759,004.50

Step by Step Solution

1. Step 1: Write the proportion equation
   516,123 : 759,004.50 = 759,004.50 : x
2. Step 2: Convert to fraction form
   516,123/759,004.50 = 759,004.50/x
3. Step 3: Cross multiply
   516,123x = 759,004.50 × 759,004.50
4. Step 4: Simplify right side
   516,123x = 576,087,831,020.25
5. Step 5: Solve for x
   x = 576,087,831,020.25/516,123
6. Step 6: Final answer
   x = 1,116,183.22