Finding the Third Proportional to 1,211,256 and 1,880,862

Step by Step Solution

1. Step 1: Write the proportion equation
   1,211,256 : 1,880,862 = 1,880,862 : x
2. Step 2: Convert to fraction form
   1,211,256/1,880,862 = 1,880,862/x
3. Step 3: Cross multiply
   1,211,256x = 1,880,862 × 1,880,862
4. Step 4: Simplify right side
   1,211,256x = 3,537,641,863,044
5. Step 5: Solve for x
   x = 3,537,641,863,044/1,211,256
6. Step 6: Final answer
   x = 2,920,639.29