Finding the Third Proportional to 707.91 and 1,030.22

Step by Step Solution

1. Step 1: Write the proportion equation
   707.91 : 1,030.22 = 1,030.22 : x
2. Step 2: Convert to fraction form
   707.91/1,030.22 = 1,030.22/x
3. Step 3: Cross multiply
   707.91x = 1,030.22 × 1,030.22
4. Step 4: Simplify right side
   707.91x = 1,061,350.67
5. Step 5: Solve for x
   x = 1,061,350.67/707.91
6. Step 6: Final answer
   x = 1,499.28