Finding the Third Proportional to 688,940 and 1,006,188

Step by Step Solution

1. Step 1: Write the proportion equation
   688,940 : 1,006,188 = 1,006,188 : x
2. Step 2: Convert to fraction form
   688,940/1,006,188 = 1,006,188/x
3. Step 3: Cross multiply
   688,940x = 1,006,188 × 1,006,188
4. Step 4: Simplify right side
   688,940x = 1,012,414,291,344
5. Step 5: Solve for x
   x = 1,012,414,291,344/688,940
6. Step 6: Final answer
   x = 1,469,524.62