Finding the Third Proportional to 663,584 and 1,007,664

Step by Step Solution

1. Step 1: Write the proportion equation
   663,584 : 1,007,664 = 1,007,664 : x
2. Step 2: Convert to fraction form
   663,584/1,007,664 = 1,007,664/x
3. Step 3: Cross multiply
   663,584x = 1,007,664 × 1,007,664
4. Step 4: Simplify right side
   663,584x = 1,015,386,736,896
5. Step 5: Solve for x
   x = 1,015,386,736,896/663,584
6. Step 6: Final answer
   x = 1,530,155.54