Finding the Third Proportional to 710.67 and 1,106.31

Step by Step Solution

1. Step 1: Write the proportion equation
   710.67 : 1,106.31 = 1,106.31 : x
2. Step 2: Convert to fraction form
   710.67/1,106.31 = 1,106.31/x
3. Step 3: Cross multiply
   710.67x = 1,106.31 × 1,106.31
4. Step 4: Simplify right side
   710.67x = 1,223,931.67
5. Step 5: Solve for x
   x = 1,223,931.67/710.67
6. Step 6: Final answer
   x = 1,722.23