Finding the Third Proportional to 613,016.50 and 841,503.50

Step by Step Solution

1. Step 1: Write the proportion equation
   613,016.50 : 841,503.50 = 841,503.50 : x
2. Step 2: Convert to fraction form
   613,016.50/841,503.50 = 841,503.50/x
3. Step 3: Cross multiply
   613,016.50x = 841,503.50 × 841,503.50
4. Step 4: Simplify right side
   613,016.50x = 708,128,140,512.25
5. Step 5: Solve for x
   x = 708,128,140,512.25/613,016.50
6. Step 6: Final answer
   x = 1,155,153.48