Finding the Third Proportional to 1,002,438 and 2,161,362

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002,438 : 2,161,362 = 2,161,362 : x
2. Step 2: Convert to fraction form
   1,002,438/2,161,362 = 2,161,362/x
3. Step 3: Cross multiply
   1,002,438x = 2,161,362 × 2,161,362
4. Step 4: Simplify right side
   1,002,438x = 4,671,485,695,044
5. Step 5: Solve for x
   x = 4,671,485,695,044/1,002,438
6. Step 6: Final answer
   x = 4,660,124.31