Finding the Third Proportional to 247,656 and 542,782.50

Step by Step Solution

1. Step 1: Write the proportion equation
   247,656 : 542,782.50 = 542,782.50 : x
2. Step 2: Convert to fraction form
   247,656/542,782.50 = 542,782.50/x
3. Step 3: Cross multiply
   247,656x = 542,782.50 × 542,782.50
4. Step 4: Simplify right side
   247,656x = 294,612,842,306.25
5. Step 5: Solve for x
   x = 294,612,842,306.25/247,656
6. Step 6: Final answer
   x = 1,189,605.11