Finding the Third Proportional to 3,336,090 and 5,521,743

Step by Step Solution

1. Step 1: Write the proportion equation
   3,336,090 : 5,521,743 = 5,521,743 : x
2. Step 2: Convert to fraction form
   3,336,090/5,521,743 = 5,521,743/x
3. Step 3: Cross multiply
   3,336,090x = 5,521,743 × 5,521,743
4. Step 4: Simplify right side
   3,336,090x = 30,489,645,758,049
5. Step 5: Solve for x
   x = 30,489,645,758,049/3,336,090
6. Step 6: Final answer
   x = 9,139,335.50