Finding the Third Proportional to 20,472.75 and 55,150.88

Step by Step Solution

1. Step 1: Write the proportion equation
   20,472.75 : 55,150.88 = 55,150.88 : x
2. Step 2: Convert to fraction form
   20,472.75/55,150.88 = 55,150.88/x
3. Step 3: Cross multiply
   20,472.75x = 55,150.88 × 55,150.88
4. Step 4: Simplify right side
   20,472.75x = 3,041,619,013.27
5. Step 5: Solve for x
   x = 3,041,619,013.27/20,472.75
6. Step 6: Final answer
   x = 148,569.15