Finding the Third Proportional to 56,791.13 and 88,188.19

Step by Step Solution

1. Step 1: Write the proportion equation
   56,791.13 : 88,188.19 = 88,188.19 : x
2. Step 2: Convert to fraction form
   56,791.13/88,188.19 = 88,188.19/x
3. Step 3: Cross multiply
   56,791.13x = 88,188.19 × 88,188.19
4. Step 4: Simplify right side
   56,791.13x = 7,777,156,414.54
5. Step 5: Solve for x
   x = 7,777,156,414.54/56,791.13
6. Step 6: Final answer
   x = 136,943.17