Finding the Third Proportional to 1,731,772 and 2,716,618

Step by Step Solution

1. Step 1: Write the proportion equation
   1,731,772 : 2,716,618 = 2,716,618 : x
2. Step 2: Convert to fraction form
   1,731,772/2,716,618 = 2,716,618/x
3. Step 3: Cross multiply
   1,731,772x = 2,716,618 × 2,716,618
4. Step 4: Simplify right side
   1,731,772x = 7,380,013,357,924
5. Step 5: Solve for x
   x = 7,380,013,357,924/1,731,772
6. Step 6: Final answer
   x = 4,261,538.68