Finding the Third Proportional to 1,069.50 and 1,619.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,069.50 : 1,619.06 = 1,619.06 : x
2. Step 2: Convert to fraction form
   1,069.50/1,619.06 = 1,619.06/x
3. Step 3: Cross multiply
   1,069.50x = 1,619.06 × 1,619.06
4. Step 4: Simplify right side
   1,069.50x = 2,621,363.38
5. Step 5: Solve for x
   x = 2,621,363.38/1,069.50
6. Step 6: Final answer
   x = 2,451.02