Finding the Third Proportional to 31,407.75 and 55,383.75

Step by Step Solution

1. Step 1: Write the proportion equation
   31,407.75 : 55,383.75 = 55,383.75 : x
2. Step 2: Convert to fraction form
   31,407.75/55,383.75 = 55,383.75/x
3. Step 3: Cross multiply
   31,407.75x = 55,383.75 × 55,383.75
4. Step 4: Simplify right side
   31,407.75x = 3,067,359,764.06
5. Step 5: Solve for x
   x = 3,067,359,764.06/31,407.75
6. Step 6: Final answer
   x = 97,662.51