Finding the Third Proportional to 1,366,810 and 2,172,282

Step by Step Solution

1. Step 1: Write the proportion equation
   1,366,810 : 2,172,282 = 2,172,282 : x
2. Step 2: Convert to fraction form
   1,366,810/2,172,282 = 2,172,282/x
3. Step 3: Cross multiply
   1,366,810x = 2,172,282 × 2,172,282
4. Step 4: Simplify right side
   1,366,810x = 4,718,809,087,524
5. Step 5: Solve for x
   x = 4,718,809,087,524/1,366,810
6. Step 6: Final answer
   x = 3,452,425.05