Finding the Third Proportional to 25,651.13 and 40,978.69

Step by Step Solution

1. Step 1: Write the proportion equation
   25,651.13 : 40,978.69 = 40,978.69 : x
2. Step 2: Convert to fraction form
   25,651.13/40,978.69 = 40,978.69/x
3. Step 3: Cross multiply
   25,651.13x = 40,978.69 × 40,978.69
4. Step 4: Simplify right side
   25,651.13x = 1,679,252,829.22
5. Step 5: Solve for x
   x = 1,679,252,829.22/25,651.13
6. Step 6: Final answer
   x = 65,465.08