Finding the Third Proportional to 54,327.38 and 86,445.56

Step by Step Solution

1. Step 1: Write the proportion equation
   54,327.38 : 86,445.56 = 86,445.56 : x
2. Step 2: Convert to fraction form
   54,327.38/86,445.56 = 86,445.56/x
3. Step 3: Cross multiply
   54,327.38x = 86,445.56 × 86,445.56
4. Step 4: Simplify right side
   54,327.38x = 7,472,835,275.94
5. Step 5: Solve for x
   x = 7,472,835,275.94/54,327.38
6. Step 6: Final answer
   x = 137,551.93