Finding the Third Proportional to 1,249,164 and 2,687,814

Step by Step Solution

1. Step 1: Write the proportion equation
   1,249,164 : 2,687,814 = 2,687,814 : x
2. Step 2: Convert to fraction form
   1,249,164/2,687,814 = 2,687,814/x
3. Step 3: Cross multiply
   1,249,164x = 2,687,814 × 2,687,814
4. Step 4: Simplify right side
   1,249,164x = 7,224,344,098,596
5. Step 5: Solve for x
   x = 7,224,344,098,596/1,249,164
6. Step 6: Final answer
   x = 5,783,343.18