Finding the Third Proportional to 1,251,128 and 2,731,618

Step by Step Solution

1. Step 1: Write the proportion equation
   1,251,128 : 2,731,618 = 2,731,618 : x
2. Step 2: Convert to fraction form
   1,251,128/2,731,618 = 2,731,618/x
3. Step 3: Cross multiply
   1,251,128x = 2,731,618 × 2,731,618
4. Step 4: Simplify right side
   1,251,128x = 7,461,736,897,924
5. Step 5: Solve for x
   x = 7,461,736,897,924/1,251,128
6. Step 6: Final answer
   x = 5,964,007.60