Finding the Third Proportional to 1,002,442 and 2,161,370

Step by Step Solution

1. Step 1: Write the proportion equation
   1,002,442 : 2,161,370 = 2,161,370 : x
2. Step 2: Convert to fraction form
   1,002,442/2,161,370 = 2,161,370/x
3. Step 3: Cross multiply
   1,002,442x = 2,161,370 × 2,161,370
4. Step 4: Simplify right side
   1,002,442x = 4,671,520,276,900
5. Step 5: Solve for x
   x = 4,671,520,276,900/1,002,442
6. Step 6: Final answer
   x = 4,660,140.21