Finding the Third Proportional to 40,113 and 57,019.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,113 : 57,019.50 = 57,019.50 : x
2. Step 2: Convert to fraction form
   40,113/57,019.50 = 57,019.50/x
3. Step 3: Cross multiply
   40,113x = 57,019.50 × 57,019.50
4. Step 4: Simplify right side
   40,113x = 3,251,223,380.25
5. Step 5: Solve for x
   x = 3,251,223,380.25/40,113
6. Step 6: Final answer
   x = 81,051.61