Finding the Third Proportional to 730.69 and 1,099.69

Step by Step Solution

1. Step 1: Write the proportion equation
   730.69 : 1,099.69 = 1,099.69 : x
2. Step 2: Convert to fraction form
   730.69/1,099.69 = 1,099.69/x
3. Step 3: Cross multiply
   730.69x = 1,099.69 × 1,099.69
4. Step 4: Simplify right side
   730.69x = 1,209,312.60
5. Step 5: Solve for x
   x = 1,209,312.60/730.69
6. Step 6: Final answer
   x = 1,655.03