Finding the Third Proportional to 62,799.75 and 87,842.25

Step by Step Solution

1. Step 1: Write the proportion equation
   62,799.75 : 87,842.25 = 87,842.25 : x
2. Step 2: Convert to fraction form
   62,799.75/87,842.25 = 87,842.25/x
3. Step 3: Cross multiply
   62,799.75x = 87,842.25 × 87,842.25
4. Step 4: Simplify right side
   62,799.75x = 7,716,260,885.06
5. Step 5: Solve for x
   x = 7,716,260,885.06/62,799.75
6. Step 6: Final answer
   x = 122,870.89