Finding the Third Proportional to 40,557.75 and 54,251.63

Step by Step Solution

1. Step 1: Write the proportion equation
   40,557.75 : 54,251.63 = 54,251.63 : x
2. Step 2: Convert to fraction form
   40,557.75/54,251.63 = 54,251.63/x
3. Step 3: Cross multiply
   40,557.75x = 54,251.63 × 54,251.63
4. Step 4: Simplify right side
   40,557.75x = 2,943,238,815.14
5. Step 5: Solve for x
   x = 2,943,238,815.14/40,557.75
6. Step 6: Final answer
   x = 72,569.09