Finding the Third Proportional to 1,233,872 and 1,866,363

Step by Step Solution

1. Step 1: Write the proportion equation
   1,233,872 : 1,866,363 = 1,866,363 : x
2. Step 2: Convert to fraction form
   1,233,872/1,866,363 = 1,866,363/x
3. Step 3: Cross multiply
   1,233,872x = 1,866,363 × 1,866,363
4. Step 4: Simplify right side
   1,233,872x = 3,483,310,847,769
5. Step 5: Solve for x
   x = 3,483,310,847,769/1,233,872
6. Step 6: Final answer
   x = 2,823,073.10