Finding the Third Proportional to 939,724 and 1,431,618

Step by Step Solution

1. Step 1: Write the proportion equation
   939,724 : 1,431,618 = 1,431,618 : x
2. Step 2: Convert to fraction form
   939,724/1,431,618 = 1,431,618/x
3. Step 3: Cross multiply
   939,724x = 1,431,618 × 1,431,618
4. Step 4: Simplify right side
   939,724x = 2,049,530,097,924
5. Step 5: Solve for x
   x = 2,049,530,097,924/939,724
6. Step 6: Final answer
   x = 2,180,991.54