Finding the Third Proportional to 582,990 and 1,274,988

Step by Step Solution

1. Step 1: Write the proportion equation
   582,990 : 1,274,988 = 1,274,988 : x
2. Step 2: Convert to fraction form
   582,990/1,274,988 = 1,274,988/x
3. Step 3: Cross multiply
   582,990x = 1,274,988 × 1,274,988
4. Step 4: Simplify right side
   582,990x = 1,625,594,400,144
5. Step 5: Solve for x
   x = 1,625,594,400,144/582,990
6. Step 6: Final answer
   x = 2,788,374.41