Finding the Third Proportional to 663,602 and 1,007,691

Step by Step Solution

1. Step 1: Write the proportion equation
   663,602 : 1,007,691 = 1,007,691 : x
2. Step 2: Convert to fraction form
   663,602/1,007,691 = 1,007,691/x
3. Step 3: Cross multiply
   663,602x = 1,007,691 × 1,007,691
4. Step 4: Simplify right side
   663,602x = 1,015,441,151,481
5. Step 5: Solve for x
   x = 1,015,441,151,481/663,602
6. Step 6: Final answer
   x = 1,530,196.04