Finding the Third Proportional to 774,360 and 1,161,540

Step by Step Solution

1. Step 1: Write the proportion equation
   774,360 : 1,161,540 = 1,161,540 : x
2. Step 2: Convert to fraction form
   774,360/1,161,540 = 1,161,540/x
3. Step 3: Cross multiply
   774,360x = 1,161,540 × 1,161,540
4. Step 4: Simplify right side
   774,360x = 1,349,175,171,600
5. Step 5: Solve for x
   x = 1,349,175,171,600/774,360
6. Step 6: Final answer
   x = 1,742,310