Finding the Third Proportional to 62,109.25 and 87,799.75

Step by Step Solution

1. Step 1: Write the proportion equation
   62,109.25 : 87,799.75 = 87,799.75 : x
2. Step 2: Convert to fraction form
   62,109.25/87,799.75 = 87,799.75/x
3. Step 3: Cross multiply
   62,109.25x = 87,799.75 × 87,799.75
4. Step 4: Simplify right side
   62,109.25x = 7,708,796,100.06
5. Step 5: Solve for x
   x = 7,708,796,100.06/62,109.25
6. Step 6: Final answer
   x = 124,116.72