Finding the Third Proportional to 55,531.13 and 79,142.63

Step by Step Solution

1. Step 1: Write the proportion equation
   55,531.13 : 79,142.63 = 79,142.63 : x
2. Step 2: Convert to fraction form
   55,531.13/79,142.63 = 79,142.63/x
3. Step 3: Cross multiply
   55,531.13x = 79,142.63 × 79,142.63
4. Step 4: Simplify right side
   55,531.13x = 6,263,555,091.89
5. Step 5: Solve for x
   x = 6,263,555,091.89/55,531.13
6. Step 6: Final answer
   x = 112,793.59