Finding the Third Proportional to 1,665,328 and 3,929,932

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665,328 : 3,929,932 = 3,929,932 : x
2. Step 2: Convert to fraction form
   1,665,328/3,929,932 = 3,929,932/x
3. Step 3: Cross multiply
   1,665,328x = 3,929,932 × 3,929,932
4. Step 4: Simplify right side
   1,665,328x = 15,444,365,524,624
5. Step 5: Solve for x
   x = 15,444,365,524,624/1,665,328
6. Step 6: Final answer
   x = 9,274,068.25