Finding the Third Proportional to 2,279.81 and 4,915.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,279.81 : 4,915.69 = 4,915.69 : x
2. Step 2: Convert to fraction form
   2,279.81/4,915.69 = 4,915.69/x
3. Step 3: Cross multiply
   2,279.81x = 4,915.69 × 4,915.69
4. Step 4: Simplify right side
   2,279.81x = 24,163,983.60
5. Step 5: Solve for x
   x = 24,163,983.60/2,279.81
6. Step 6: Final answer
   x = 10,599.11