Finding the Third Proportional to 20,498 and 30,017.50

Step by Step Solution

1. Step 1: Write the proportion equation
   20,498 : 30,017.50 = 30,017.50 : x
2. Step 2: Convert to fraction form
   20,498/30,017.50 = 30,017.50/x
3. Step 3: Cross multiply
   20,498x = 30,017.50 × 30,017.50
4. Step 4: Simplify right side
   20,498x = 901,050,306.25
5. Step 5: Solve for x
   x = 901,050,306.25/20,498
6. Step 6: Final answer
   x = 43,957.96