Finding the Third Proportional to 542,133 and 724,504.50

Step by Step Solution

1. Step 1: Write the proportion equation
   542,133 : 724,504.50 = 724,504.50 : x
2. Step 2: Convert to fraction form
   542,133/724,504.50 = 724,504.50/x
3. Step 3: Cross multiply
   542,133x = 724,504.50 × 724,504.50
4. Step 4: Simplify right side
   542,133x = 524,906,770,520.25
5. Step 5: Solve for x
   x = 524,906,770,520.25/542,133
6. Step 6: Final answer
   x = 968,225.09