Finding the Third Proportional to 1,186,290 and 1,838,422

Step by Step Solution

1. Step 1: Write the proportion equation
   1,186,290 : 1,838,422 = 1,838,422 : x
2. Step 2: Convert to fraction form
   1,186,290/1,838,422 = 1,838,422/x
3. Step 3: Cross multiply
   1,186,290x = 1,838,422 × 1,838,422
4. Step 4: Simplify right side
   1,186,290x = 3,379,795,450,084
5. Step 5: Solve for x
   x = 3,379,795,450,084/1,186,290
6. Step 6: Final answer
   x = 2,849,046.57