Finding the Third Proportional to 1,233,870 and 1,866,360

Step by Step Solution

1. Step 1: Write the proportion equation
   1,233,870 : 1,866,360 = 1,866,360 : x
2. Step 2: Convert to fraction form
   1,233,870/1,866,360 = 1,866,360/x
3. Step 3: Cross multiply
   1,233,870x = 1,866,360 × 1,866,360
4. Step 4: Simplify right side
   1,233,870x = 3,483,299,649,600
5. Step 5: Solve for x
   x = 3,483,299,649,600/1,233,870
6. Step 6: Final answer
   x = 2,823,068.60