Finding the Third Proportional to 542,479.50 and 1,188,301.50

Step by Step Solution

1. Step 1: Write the proportion equation
   542,479.50 : 1,188,301.50 = 1,188,301.50 : x
2. Step 2: Convert to fraction form
   542,479.50/1,188,301.50 = 1,188,301.50/x
3. Step 3: Cross multiply
   542,479.50x = 1,188,301.50 × 1,188,301.50
4. Step 4: Simplify right side
   542,479.50x = 1,412,060,454,902.25
5. Step 5: Solve for x
   x = 1,412,060,454,902.25/542,479.50
6. Step 6: Final answer
   x = 2,602,974.78