Finding the Third Proportional to 55,194.75 and 87,442.88

Step by Step Solution

1. Step 1: Write the proportion equation
   55,194.75 : 87,442.88 = 87,442.88 : x
2. Step 2: Convert to fraction form
   55,194.75/87,442.88 = 87,442.88/x
3. Step 3: Cross multiply
   55,194.75x = 87,442.88 × 87,442.88
4. Step 4: Simplify right side
   55,194.75x = 7,646,256,388.27
5. Step 5: Solve for x
   x = 7,646,256,388.27/55,194.75
6. Step 6: Final answer
   x = 138,532.31