Finding the Third Proportional to 774,290 and 1,619,548

Step by Step Solution

1. Step 1: Write the proportion equation
   774,290 : 1,619,548 = 1,619,548 : x
2. Step 2: Convert to fraction form
   774,290/1,619,548 = 1,619,548/x
3. Step 3: Cross multiply
   774,290x = 1,619,548 × 1,619,548
4. Step 4: Simplify right side
   774,290x = 2,622,935,724,304
5. Step 5: Solve for x
   x = 2,622,935,724,304/774,290
6. Step 6: Final answer
   x = 3,387,536.61