Finding the Third Proportional to 1,638,686 and 2,480,802

Step by Step Solution

1. Step 1: Write the proportion equation
   1,638,686 : 2,480,802 = 2,480,802 : x
2. Step 2: Convert to fraction form
   1,638,686/2,480,802 = 2,480,802/x
3. Step 3: Cross multiply
   1,638,686x = 2,480,802 × 2,480,802
4. Step 4: Simplify right side
   1,638,686x = 6,154,378,563,204
5. Step 5: Solve for x
   x = 6,154,378,563,204/1,638,686
6. Step 6: Final answer
   x = 3,755,678.98