Finding the Third Proportional to 55,198.97 and 87,548.34

Step by Step Solution

1. Step 1: Write the proportion equation
   55,198.97 : 87,548.34 = 87,548.34 : x
2. Step 2: Convert to fraction form
   55,198.97/87,548.34 = 87,548.34/x
3. Step 3: Cross multiply
   55,198.97x = 87,548.34 × 87,548.34
4. Step 4: Simplify right side
   55,198.97x = 7,664,712,493.37
5. Step 5: Solve for x
   x = 7,664,712,493.37/55,198.97
6. Step 6: Final answer
   x = 138,856.08