Finding the Third Proportional to 8,915.50 and 13,798

Step by Step Solution

1. Step 1: Write the proportion equation
   8,915.50 : 13,798 = 13,798 : x
2. Step 2: Convert to fraction form
   8,915.50/13,798 = 13,798/x
3. Step 3: Cross multiply
   8,915.50x = 13,798 × 13,798
4. Step 4: Simplify right side
   8,915.50x = 190,384,804
5. Step 5: Solve for x
   x = 190,384,804/8,915.50
6. Step 6: Final answer
   x = 21,354.36