Finding the Third Proportional to 3,431,781 and 7,334,658

Step by Step Solution

1. Step 1: Write the proportion equation
   3,431,781 : 7,334,658 = 7,334,658 : x
2. Step 2: Convert to fraction form
   3,431,781/7,334,658 = 7,334,658/x
3. Step 3: Cross multiply
   3,431,781x = 7,334,658 × 7,334,658
4. Step 4: Simplify right side
   3,431,781x = 53,797,207,976,964
5. Step 5: Solve for x
   x = 53,797,207,976,964/3,431,781
6. Step 6: Final answer
   x = 15,676,177.46