Finding the Third Proportional to 1,165,986 and 2,510,820

Step by Step Solution

1. Step 1: Write the proportion equation
   1,165,986 : 2,510,820 = 2,510,820 : x
2. Step 2: Convert to fraction form
   1,165,986/2,510,820 = 2,510,820/x
3. Step 3: Cross multiply
   1,165,986x = 2,510,820 × 2,510,820
4. Step 4: Simplify right side
   1,165,986x = 6,304,217,072,400
5. Step 5: Solve for x
   x = 6,304,217,072,400/1,165,986
6. Step 6: Final answer
   x = 5,406,769.10