Finding the Third Proportional to 542,744.50 and 810,016

Step by Step Solution

1. Step 1: Write the proportion equation
   542,744.50 : 810,016 = 810,016 : x
2. Step 2: Convert to fraction form
   542,744.50/810,016 = 810,016/x
3. Step 3: Cross multiply
   542,744.50x = 810,016 × 810,016
4. Step 4: Simplify right side
   542,744.50x = 656,125,920,256
5. Step 5: Solve for x
   x = 656,125,920,256/542,744.50
6. Step 6: Final answer
   x = 1,208,903.86