Finding the Third Proportional to 1,249,089 and 2,687,628

Step by Step Solution

1. Step 1: Write the proportion equation
   1,249,089 : 2,687,628 = 2,687,628 : x
2. Step 2: Convert to fraction form
   1,249,089/2,687,628 = 2,687,628/x
3. Step 3: Cross multiply
   1,249,089x = 2,687,628 × 2,687,628
4. Step 4: Simplify right side
   1,249,089x = 7,223,344,266,384
5. Step 5: Solve for x
   x = 7,223,344,266,384/1,249,089
6. Step 6: Final answer
   x = 5,782,889.98