Finding the Third Proportional to 1,208,810 and 1,642,662

Step by Step Solution

1. Step 1: Write the proportion equation
   1,208,810 : 1,642,662 = 1,642,662 : x
2. Step 2: Convert to fraction form
   1,208,810/1,642,662 = 1,642,662/x
3. Step 3: Cross multiply
   1,208,810x = 1,642,662 × 1,642,662
4. Step 4: Simplify right side
   1,208,810x = 2,698,338,446,244
5. Step 5: Solve for x
   x = 2,698,338,446,244/1,208,810
6. Step 6: Final answer
   x = 2,232,227.10