Finding the Third Proportional to 1,862,712 and 3,969,648

Step by Step Solution

1. Step 1: Write the proportion equation
   1,862,712 : 3,969,648 = 3,969,648 : x
2. Step 2: Convert to fraction form
   1,862,712/3,969,648 = 3,969,648/x
3. Step 3: Cross multiply
   1,862,712x = 3,969,648 × 3,969,648
4. Step 4: Simplify right side
   1,862,712x = 15,758,105,243,904
5. Step 5: Solve for x
   x = 15,758,105,243,904/1,862,712
6. Step 6: Final answer
   x = 8,459,764.71