Finding the Third Proportional to 801,396 and 1,692,216

Step by Step Solution

1. Step 1: Write the proportion equation
   801,396 : 1,692,216 = 1,692,216 : x
2. Step 2: Convert to fraction form
   801,396/1,692,216 = 1,692,216/x
3. Step 3: Cross multiply
   801,396x = 1,692,216 × 1,692,216
4. Step 4: Simplify right side
   801,396x = 2,863,594,990,656
5. Step 5: Solve for x
   x = 2,863,594,990,656/801,396
6. Step 6: Final answer
   x = 3,573,258.40