Finding the Third Proportional to 663,572 and 1,007,646

Step by Step Solution

1. Step 1: Write the proportion equation
   663,572 : 1,007,646 = 1,007,646 : x
2. Step 2: Convert to fraction form
   663,572/1,007,646 = 1,007,646/x
3. Step 3: Cross multiply
   663,572x = 1,007,646 × 1,007,646
4. Step 4: Simplify right side
   663,572x = 1,015,350,461,316
5. Step 5: Solve for x
   x = 1,015,350,461,316/663,572
6. Step 6: Final answer
   x = 1,530,128.55