Finding the Third Proportional to 9,915.50 and 13,597

Step by Step Solution

1. Step 1: Write the proportion equation
   9,915.50 : 13,597 = 13,597 : x
2. Step 2: Convert to fraction form
   9,915.50/13,597 = 13,597/x
3. Step 3: Cross multiply
   9,915.50x = 13,597 × 13,597
4. Step 4: Simplify right side
   9,915.50x = 184,878,409
5. Step 5: Solve for x
   x = 184,878,409/9,915.50
6. Step 6: Final answer
   x = 18,645.39