Finding the Third Proportional to 62,802.75 and 85,280.25

Step by Step Solution

1. Step 1: Write the proportion equation
   62,802.75 : 85,280.25 = 85,280.25 : x
2. Step 2: Convert to fraction form
   62,802.75/85,280.25 = 85,280.25/x
3. Step 3: Cross multiply
   62,802.75x = 85,280.25 × 85,280.25
4. Step 4: Simplify right side
   62,802.75x = 7,272,721,040.06
5. Step 5: Solve for x
   x = 7,272,721,040.06/62,802.75
6. Step 6: Final answer
   x = 115,802.59