Finding the Third Proportional to 9,988 and 15,506

Step by Step Solution

1. Step 1: Write the proportion equation
   9,988 : 15,506 = 15,506 : x
2. Step 2: Convert to fraction form
   9,988/15,506 = 15,506/x
3. Step 3: Cross multiply
   9,988x = 15,506 × 15,506
4. Step 4: Simplify right side
   9,988x = 240,436,036
5. Step 5: Solve for x
   x = 240,436,036/9,988
6. Step 6: Final answer
   x = 24,072.49