Finding the Third Proportional to 40,521.75 and 54,551.25

Step by Step Solution

1. Step 1: Write the proportion equation
   40,521.75 : 54,551.25 = 54,551.25 : x
2. Step 2: Convert to fraction form
   40,521.75/54,551.25 = 54,551.25/x
3. Step 3: Cross multiply
   40,521.75x = 54,551.25 × 54,551.25
4. Step 4: Simplify right side
   40,521.75x = 2,975,838,876.56
5. Step 5: Solve for x
   x = 2,975,838,876.56/40,521.75
6. Step 6: Final answer
   x = 73,438.06