Finding the Third Proportional to 39,230.50 and 55,905.75

Step by Step Solution

1. Step 1: Write the proportion equation
   39,230.50 : 55,905.75 = 55,905.75 : x
2. Step 2: Convert to fraction form
   39,230.50/55,905.75 = 55,905.75/x
3. Step 3: Cross multiply
   39,230.50x = 55,905.75 × 55,905.75
4. Step 4: Simplify right side
   39,230.50x = 3,125,452,883.06
5. Step 5: Solve for x
   x = 3,125,452,883.06/39,230.50
6. Step 6: Final answer
   x = 79,668.95