Finding the Third Proportional to 574,726 and 1,256,460

Step by Step Solution

1. Step 1: Write the proportion equation
   574,726 : 1,256,460 = 1,256,460 : x
2. Step 2: Convert to fraction form
   574,726/1,256,460 = 1,256,460/x
3. Step 3: Cross multiply
   574,726x = 1,256,460 × 1,256,460
4. Step 4: Simplify right side
   574,726x = 1,578,691,731,600
5. Step 5: Solve for x
   x = 1,578,691,731,600/574,726
6. Step 6: Final answer
   x = 2,746,859.78