Finding the Third Proportional to 38,872.50 and 55,050

Step by Step Solution

1. Step 1: Write the proportion equation
   38,872.50 : 55,050 = 55,050 : x
2. Step 2: Convert to fraction form
   38,872.50/55,050 = 55,050/x
3. Step 3: Cross multiply
   38,872.50x = 55,050 × 55,050
4. Step 4: Simplify right side
   38,872.50x = 3,030,502,500
5. Step 5: Solve for x
   x = 3,030,502,500/38,872.50
6. Step 6: Final answer
   x = 77,960.06