Finding the Third Proportional to 55,867.50 and 73,939.50

Step by Step Solution

1. Step 1: Write the proportion equation
   55,867.50 : 73,939.50 = 73,939.50 : x
2. Step 2: Convert to fraction form
   55,867.50/73,939.50 = 73,939.50/x
3. Step 3: Cross multiply
   55,867.50x = 73,939.50 × 73,939.50
4. Step 4: Simplify right side
   55,867.50x = 5,467,049,660.25
5. Step 5: Solve for x
   x = 5,467,049,660.25/55,867.50
6. Step 6: Final answer
   x = 97,857.42