Finding the Third Proportional to 28,248.75 and 61,258.78

Step by Step Solution

1. Step 1: Write the proportion equation
   28,248.75 : 61,258.78 = 61,258.78 : x
2. Step 2: Convert to fraction form
   28,248.75/61,258.78 = 61,258.78/x
3. Step 3: Cross multiply
   28,248.75x = 61,258.78 × 61,258.78
4. Step 4: Simplify right side
   28,248.75x = 3,752,638,280.24
5. Step 5: Solve for x
   x = 3,752,638,280.24/28,248.75
6. Step 6: Final answer
   x = 132,842.63