Finding the Third Proportional to 1,201,238 and 1,617,986

Step by Step Solution

1. Step 1: Write the proportion equation
   1,201,238 : 1,617,986 = 1,617,986 : x
2. Step 2: Convert to fraction form
   1,201,238/1,617,986 = 1,617,986/x
3. Step 3: Cross multiply
   1,201,238x = 1,617,986 × 1,617,986
4. Step 4: Simplify right side
   1,201,238x = 2,617,878,696,196
5. Step 5: Solve for x
   x = 2,617,878,696,196/1,201,238
6. Step 6: Final answer
   x = 2,179,317.25