Finding the Third Proportional to 56,601.75 and 84,144.75

Step by Step Solution

1. Step 1: Write the proportion equation
   56,601.75 : 84,144.75 = 84,144.75 : x
2. Step 2: Convert to fraction form
   56,601.75/84,144.75 = 84,144.75/x
3. Step 3: Cross multiply
   56,601.75x = 84,144.75 × 84,144.75
4. Step 4: Simplify right side
   56,601.75x = 7,080,338,952.56
5. Step 5: Solve for x
   x = 7,080,338,952.56/56,601.75
6. Step 6: Final answer
   x = 125,090.46