Finding the Third Proportional to 56,791.50 and 88,188.38

Step by Step Solution

1. Step 1: Write the proportion equation
   56,791.50 : 88,188.38 = 88,188.38 : x
2. Step 2: Convert to fraction form
   56,791.50/88,188.38 = 88,188.38/x
3. Step 3: Cross multiply
   56,791.50x = 88,188.38 × 88,188.38
4. Step 4: Simplify right side
   56,791.50x = 7,777,189,485.14
5. Step 5: Solve for x
   x = 7,777,189,485.14/56,791.50
6. Step 6: Final answer
   x = 136,942.84