Finding the Third Proportional to 688,907 and 1,006,144

Step by Step Solution

1. Step 1: Write the proportion equation
   688,907 : 1,006,144 = 1,006,144 : x
2. Step 2: Convert to fraction form
   688,907/1,006,144 = 1,006,144/x
3. Step 3: Cross multiply
   688,907x = 1,006,144 × 1,006,144
4. Step 4: Simplify right side
   688,907x = 1,012,325,748,736
5. Step 5: Solve for x
   x = 1,012,325,748,736/688,907
6. Step 6: Final answer
   x = 1,469,466.49