Finding the Third Proportional to 1,139,130 and 2,505,618

Step by Step Solution

1. Step 1: Write the proportion equation
   1,139,130 : 2,505,618 = 2,505,618 : x
2. Step 2: Convert to fraction form
   1,139,130/2,505,618 = 2,505,618/x
3. Step 3: Cross multiply
   1,139,130x = 2,505,618 × 2,505,618
4. Step 4: Simplify right side
   1,139,130x = 6,278,121,561,924
5. Step 5: Solve for x
   x = 6,278,121,561,924/1,139,130
6. Step 6: Final answer
   x = 5,511,330.19