Finding the Third Proportional to 1,017,860 and 2,119,480

Step by Step Solution

1. Step 1: Write the proportion equation
   1,017,860 : 2,119,480 = 2,119,480 : x
2. Step 2: Convert to fraction form
   1,017,860/2,119,480 = 2,119,480/x
3. Step 3: Cross multiply
   1,017,860x = 2,119,480 × 2,119,480
4. Step 4: Simplify right side
   1,017,860x = 4,492,195,470,400
5. Step 5: Solve for x
   x = 4,492,195,470,400/1,017,860
6. Step 6: Final answer
   x = 4,413,372.64