Finding the Third Proportional to 28,820.75 and 62,859.25

Step by Step Solution

1. Step 1: Write the proportion equation
   28,820.75 : 62,859.25 = 62,859.25 : x
2. Step 2: Convert to fraction form
   28,820.75/62,859.25 = 62,859.25/x
3. Step 3: Cross multiply
   28,820.75x = 62,859.25 × 62,859.25
4. Step 4: Simplify right side
   28,820.75x = 3,951,285,310.56
5. Step 5: Solve for x
   x = 3,951,285,310.56/28,820.75
6. Step 6: Final answer
   x = 137,098.63