Finding the Third Proportional to 20,854.75 and 45,381.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,854.75 : 45,381.50 = 45,381.50 : x
2. Step 2: Convert to fraction form
   20,854.75/45,381.50 = 45,381.50/x
3. Step 3: Cross multiply
   20,854.75x = 45,381.50 × 45,381.50
4. Step 4: Simplify right side
   20,854.75x = 2,059,480,542.25
5. Step 5: Solve for x
   x = 2,059,480,542.25/20,854.75
6. Step 6: Final answer
   x = 98,753.55