Finding the Third Proportional to 4,108.22 and 8,915.06

Step by Step Solution

1. Step 1: Write the proportion equation
   4,108.22 : 8,915.06 = 8,915.06 : x
2. Step 2: Convert to fraction form
   4,108.22/8,915.06 = 8,915.06/x
3. Step 3: Cross multiply
   4,108.22x = 8,915.06 × 8,915.06
4. Step 4: Simplify right side
   4,108.22x = 79,478,339.38
5. Step 5: Solve for x
   x = 79,478,339.38/4,108.22
6. Step 6: Final answer
   x = 19,346.18