Finding the Third Proportional to 1,306,468 and 1,998,580

Step by Step Solution

1. Step 1: Write the proportion equation
   1,306,468 : 1,998,580 = 1,998,580 : x
2. Step 2: Convert to fraction form
   1,306,468/1,998,580 = 1,998,580/x
3. Step 3: Cross multiply
   1,306,468x = 1,998,580 × 1,998,580
4. Step 4: Simplify right side
   1,306,468x = 3,994,322,016,400
5. Step 5: Solve for x
   x = 3,994,322,016,400/1,306,468
6. Step 6: Final answer
   x = 3,057,343.94