Finding the Third Proportional to 3,290,422 and 5,084,992

Step by Step Solution

1. Step 1: Write the proportion equation
   3,290,422 : 5,084,992 = 5,084,992 : x
2. Step 2: Convert to fraction form
   3,290,422/5,084,992 = 5,084,992/x
3. Step 3: Cross multiply
   3,290,422x = 5,084,992 × 5,084,992
4. Step 4: Simplify right side
   3,290,422x = 25,857,143,640,064
5. Step 5: Solve for x
   x = 25,857,143,640,064/3,290,422
6. Step 6: Final answer
   x = 7,858,306.21