Finding the Third Proportional to 585,490 and 1,259,748

Step by Step Solution

1. Step 1: Write the proportion equation
   585,490 : 1,259,748 = 1,259,748 : x
2. Step 2: Convert to fraction form
   585,490/1,259,748 = 1,259,748/x
3. Step 3: Cross multiply
   585,490x = 1,259,748 × 1,259,748
4. Step 4: Simplify right side
   585,490x = 1,586,965,023,504
5. Step 5: Solve for x
   x = 1,586,965,023,504/585,490
6. Step 6: Final answer
   x = 2,710,490.40