Finding the Third Proportional to 1,249,080 and 2,687,609

Step by Step Solution

1. Step 1: Write the proportion equation
   1,249,080 : 2,687,609 = 2,687,609 : x
2. Step 2: Convert to fraction form
   1,249,080/2,687,609 = 2,687,609/x
3. Step 3: Cross multiply
   1,249,080x = 2,687,609 × 2,687,609
4. Step 4: Simplify right side
   1,249,080x = 7,223,242,136,881
5. Step 5: Solve for x
   x = 7,223,242,136,881/1,249,080
6. Step 6: Final answer
   x = 5,782,849.89