Finding the Third Proportional to 606.50 and 914.88

Step by Step Solution

1. Step 1: Write the proportion equation
   606.50 : 914.88 = 914.88 : x
2. Step 2: Convert to fraction form
   606.50/914.88 = 914.88/x
3. Step 3: Cross multiply
   606.50x = 914.88 × 914.88
4. Step 4: Simplify right side
   606.50x = 836,996.27
5. Step 5: Solve for x
   x = 836,996.27/606.50
6. Step 6: Final answer
   x = 1,380.04