Finding the Third Proportional to 1,011,618 and 2,116,761

Step by Step Solution

1. Step 1: Write the proportion equation
   1,011,618 : 2,116,761 = 2,116,761 : x
2. Step 2: Convert to fraction form
   1,011,618/2,116,761 = 2,116,761/x
3. Step 3: Cross multiply
   1,011,618x = 2,116,761 × 2,116,761
4. Step 4: Simplify right side
   1,011,618x = 4,480,677,131,121
5. Step 5: Solve for x
   x = 4,480,677,131,121/1,011,618
6. Step 6: Final answer
   x = 4,429,218.47