Finding the Third Proportional to 688,884 and 1,012,913

Step by Step Solution

1. Step 1: Write the proportion equation
   688,884 : 1,012,913 = 1,012,913 : x
2. Step 2: Convert to fraction form
   688,884/1,012,913 = 1,012,913/x
3. Step 3: Cross multiply
   688,884x = 1,012,913 × 1,012,913
4. Step 4: Simplify right side
   688,884x = 1,025,992,745,569
5. Step 5: Solve for x
   x = 1,025,992,745,569/688,884
6. Step 6: Final answer
   x = 1,489,354.88