Finding the Third Proportional to 31,548.25 and 64,023.50

Step by Step Solution

1. Step 1: Write the proportion equation
   31,548.25 : 64,023.50 = 64,023.50 : x
2. Step 2: Convert to fraction form
   31,548.25/64,023.50 = 64,023.50/x
3. Step 3: Cross multiply
   31,548.25x = 64,023.50 × 64,023.50
4. Step 4: Simplify right side
   31,548.25x = 4,099,008,552.25
5. Step 5: Solve for x
   x = 4,099,008,552.25/31,548.25
6. Step 6: Final answer
   x = 129,928.24