Finding the Third Proportional to 55,176.19 and 74,517.47

Step by Step Solution

1. Step 1: Write the proportion equation
   55,176.19 : 74,517.47 = 74,517.47 : x
2. Step 2: Convert to fraction form
   55,176.19/74,517.47 = 74,517.47/x
3. Step 3: Cross multiply
   55,176.19x = 74,517.47 × 74,517.47
4. Step 4: Simplify right side
   55,176.19x = 5,552,853,148.91
5. Step 5: Solve for x
   x = 5,552,853,148.91/55,176.19
6. Step 6: Final answer
   x = 100,638.58