Finding the Third Proportional to 1,242,084 and 1,869,345

Step by Step Solution

1. Step 1: Write the proportion equation
   1,242,084 : 1,869,345 = 1,869,345 : x
2. Step 2: Convert to fraction form
   1,242,084/1,869,345 = 1,869,345/x
3. Step 3: Cross multiply
   1,242,084x = 1,869,345 × 1,869,345
4. Step 4: Simplify right side
   1,242,084x = 3,494,450,729,025
5. Step 5: Solve for x
   x = 3,494,450,729,025/1,242,084
6. Step 6: Final answer
   x = 2,813,377.14