Finding the Third Proportional to 55,251.75 and 84,975.38

Step by Step Solution

1. Step 1: Write the proportion equation
   55,251.75 : 84,975.38 = 84,975.38 : x
2. Step 2: Convert to fraction form
   55,251.75/84,975.38 = 84,975.38/x
3. Step 3: Cross multiply
   55,251.75x = 84,975.38 × 84,975.38
4. Step 4: Simplify right side
   55,251.75x = 7,220,814,356.39
5. Step 5: Solve for x
   x = 7,220,814,356.39/55,251.75
6. Step 6: Final answer
   x = 130,689.33