Finding the Third Proportional to 55,513.50 and 82,040.25

Step by Step Solution

1. Step 1: Write the proportion equation
   55,513.50 : 82,040.25 = 82,040.25 : x
2. Step 2: Convert to fraction form
   55,513.50/82,040.25 = 82,040.25/x
3. Step 3: Cross multiply
   55,513.50x = 82,040.25 × 82,040.25
4. Step 4: Simplify right side
   55,513.50x = 6,730,602,620.06
5. Step 5: Solve for x
   x = 6,730,602,620.06/55,513.50
6. Step 6: Final answer
   x = 121,242.63