Finding the Third Proportional to 1,069.29 and 1,504.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,069.29 : 1,504.99 = 1,504.99 : x
2. Step 2: Convert to fraction form
   1,069.29/1,504.99 = 1,504.99/x
3. Step 3: Cross multiply
   1,069.29x = 1,504.99 × 1,504.99
4. Step 4: Simplify right side
   1,069.29x = 2,264,983.85
5. Step 5: Solve for x
   x = 2,264,983.85/1,069.29
6. Step 6: Final answer
   x = 2,118.20