Finding the Third Proportional to 1,426,563 and 2,216,021

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426,563 : 2,216,021 = 2,216,021 : x
2. Step 2: Convert to fraction form
   1,426,563/2,216,021 = 2,216,021/x
3. Step 3: Cross multiply
   1,426,563x = 2,216,021 × 2,216,021
4. Step 4: Simplify right side
   1,426,563x = 4,910,749,072,441
5. Step 5: Solve for x
   x = 4,910,749,072,441/1,426,563
6. Step 6: Final answer
   x = 3,442,363.97