Finding the Third Proportional to 4,287.94 and 4,915.69

Step by Step Solution

1. Step 1: Write the proportion equation
   4,287.94 : 4,915.69 = 4,915.69 : x
2. Step 2: Convert to fraction form
   4,287.94/4,915.69 = 4,915.69/x
3. Step 3: Cross multiply
   4,287.94x = 4,915.69 × 4,915.69
4. Step 4: Simplify right side
   4,287.94x = 24,163,983.60
5. Step 5: Solve for x
   x = 24,163,983.60/4,287.94
6. Step 6: Final answer
   x = 5,635.34