Finding the Third Proportional to 45,648.75 and 98,587.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,648.75 : 98,587.50 = 98,587.50 : x
2. Step 2: Convert to fraction form
   45,648.75/98,587.50 = 98,587.50/x
3. Step 3: Cross multiply
   45,648.75x = 98,587.50 × 98,587.50
4. Step 4: Simplify right side
   45,648.75x = 9,719,495,156.25
5. Step 5: Solve for x
   x = 9,719,495,156.25/45,648.75
6. Step 6: Final answer
   x = 212,919.20