Finding the Third Proportional to 59,171.50 and 127,820

Step by Step Solution

1. Step 1: Write the proportion equation
   59,171.50 : 127,820 = 127,820 : x
2. Step 2: Convert to fraction form
   59,171.50/127,820 = 127,820/x
3. Step 3: Cross multiply
   59,171.50x = 127,820 × 127,820
4. Step 4: Simplify right side
   59,171.50x = 16,337,952,400
5. Step 5: Solve for x
   x = 16,337,952,400/59,171.50
6. Step 6: Final answer
   x = 276,111.85