Finding the Third Proportional to 2,692.14 and 5,915.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,692.14 : 5,915.21 = 5,915.21 : x
2. Step 2: Convert to fraction form
   2,692.14/5,915.21 = 5,915.21/x
3. Step 3: Cross multiply
   2,692.14x = 5,915.21 × 5,915.21
4. Step 4: Simplify right side
   2,692.14x = 34,989,766.65
5. Step 5: Solve for x
   x = 34,989,766.65/2,692.14
6. Step 6: Final answer
   x = 12,997.00