Finding the Third Proportional to 25,099.88 and 40,355.72

Step by Step Solution

1. Step 1: Write the proportion equation
   25,099.88 : 40,355.72 = 40,355.72 : x
2. Step 2: Convert to fraction form
   25,099.88/40,355.72 = 40,355.72/x
3. Step 3: Cross multiply
   25,099.88x = 40,355.72 × 40,355.72
4. Step 4: Simplify right side
   25,099.88x = 1,628,584,035.83
5. Step 5: Solve for x
   x = 1,628,584,035.83/25,099.88
6. Step 6: Final answer
   x = 64,884.15