Finding the Third Proportional to 481,458.50 and 745,117.50

Step by Step Solution

1. Step 1: Write the proportion equation
   481,458.50 : 745,117.50 = 745,117.50 : x
2. Step 2: Convert to fraction form
   481,458.50/745,117.50 = 745,117.50/x
3. Step 3: Cross multiply
   481,458.50x = 745,117.50 × 745,117.50
4. Step 4: Simplify right side
   481,458.50x = 555,200,088,806.25
5. Step 5: Solve for x
   x = 555,200,088,806.25/481,458.50
6. Step 6: Final answer
   x = 1,153,162.92