Finding the Third Proportional to 550,609.50 and 741,025.50

Step by Step Solution

1. Step 1: Write the proportion equation
   550,609.50 : 741,025.50 = 741,025.50 : x
2. Step 2: Convert to fraction form
   550,609.50/741,025.50 = 741,025.50/x
3. Step 3: Cross multiply
   550,609.50x = 741,025.50 × 741,025.50
4. Step 4: Simplify right side
   550,609.50x = 549,118,791,650.25
5. Step 5: Solve for x
   x = 549,118,791,650.25/550,609.50
6. Step 6: Final answer
   x = 997,292.62