Finding the Third Proportional to 1,866,144 and 2,798,730

Step by Step Solution

1. Step 1: Write the proportion equation
   1,866,144 : 2,798,730 = 2,798,730 : x
2. Step 2: Convert to fraction form
   1,866,144/2,798,730 = 2,798,730/x
3. Step 3: Cross multiply
   1,866,144x = 2,798,730 × 2,798,730
4. Step 4: Simplify right side
   1,866,144x = 7,832,889,612,900
5. Step 5: Solve for x
   x = 7,832,889,612,900/1,866,144
6. Step 6: Final answer
   x = 4,197,366.13