Finding the Third Proportional to 627,664 and 1,382,012

Step by Step Solution

1. Step 1: Write the proportion equation
   627,664 : 1,382,012 = 1,382,012 : x
2. Step 2: Convert to fraction form
   627,664/1,382,012 = 1,382,012/x
3. Step 3: Cross multiply
   627,664x = 1,382,012 × 1,382,012
4. Step 4: Simplify right side
   627,664x = 1,909,957,168,144
5. Step 5: Solve for x
   x = 1,909,957,168,144/627,664
6. Step 6: Final answer
   x = 3,042,961.15