Finding the Third Proportional to 688,626 and 1,006,512

Step by Step Solution

1. Step 1: Write the proportion equation
   688,626 : 1,006,512 = 1,006,512 : x
2. Step 2: Convert to fraction form
   688,626/1,006,512 = 1,006,512/x
3. Step 3: Cross multiply
   688,626x = 1,006,512 × 1,006,512
4. Step 4: Simplify right side
   688,626x = 1,013,066,406,144
5. Step 5: Solve for x
   x = 1,013,066,406,144/688,626
6. Step 6: Final answer
   x = 1,471,141.67