Finding the Third Proportional to 623,524 and 1,507,618

Step by Step Solution

1. Step 1: Write the proportion equation
   623,524 : 1,507,618 = 1,507,618 : x
2. Step 2: Convert to fraction form
   623,524/1,507,618 = 1,507,618/x
3. Step 3: Cross multiply
   623,524x = 1,507,618 × 1,507,618
4. Step 4: Simplify right side
   623,524x = 2,272,912,033,924
5. Step 5: Solve for x
   x = 2,272,912,033,924/623,524
6. Step 6: Final answer
   x = 3,645,267.92