Finding the Third Proportional to 1,223,091 and 1,798,686

Step by Step Solution

1. Step 1: Write the proportion equation
   1,223,091 : 1,798,686 = 1,798,686 : x
2. Step 2: Convert to fraction form
   1,223,091/1,798,686 = 1,798,686/x
3. Step 3: Cross multiply
   1,223,091x = 1,798,686 × 1,798,686
4. Step 4: Simplify right side
   1,223,091x = 3,235,271,326,596
5. Step 5: Solve for x
   x = 3,235,271,326,596/1,223,091
6. Step 6: Final answer
   x = 2,645,159.95