Finding the Third Proportional to 55,996.69 and 86,703.56

Step by Step Solution

1. Step 1: Write the proportion equation
   55,996.69 : 86,703.56 = 86,703.56 : x
2. Step 2: Convert to fraction form
   55,996.69/86,703.56 = 86,703.56/x
3. Step 3: Cross multiply
   55,996.69x = 86,703.56 × 86,703.56
4. Step 4: Simplify right side
   55,996.69x = 7,517,507,750.19
5. Step 5: Solve for x
   x = 7,517,507,750.19/55,996.69
6. Step 6: Final answer
   x = 134,249.15