Finding the Third Proportional to 1,569,686 and 3,390,268

Step by Step Solution

1. Step 1: Write the proportion equation
   1,569,686 : 3,390,268 = 3,390,268 : x
2. Step 2: Convert to fraction form
   1,569,686/3,390,268 = 3,390,268/x
3. Step 3: Cross multiply
   1,569,686x = 3,390,268 × 3,390,268
4. Step 4: Simplify right side
   1,569,686x = 11,493,917,111,824
5. Step 5: Solve for x
   x = 11,493,917,111,824/1,569,686
6. Step 6: Final answer
   x = 7,322,430.80