Finding the Third Proportional to 774,168 and 1,216,548

Step by Step Solution

1. Step 1: Write the proportion equation
   774,168 : 1,216,548 = 1,216,548 : x
2. Step 2: Convert to fraction form
   774,168/1,216,548 = 1,216,548/x
3. Step 3: Cross multiply
   774,168x = 1,216,548 × 1,216,548
4. Step 4: Simplify right side
   774,168x = 1,479,989,036,304
5. Step 5: Solve for x
   x = 1,479,989,036,304/774,168
6. Step 6: Final answer
   x = 1,911,715.59