Finding the Third Proportional to 1,440,147 and 3,111,342

Step by Step Solution

1. Step 1: Write the proportion equation
   1,440,147 : 3,111,342 = 3,111,342 : x
2. Step 2: Convert to fraction form
   1,440,147/3,111,342 = 3,111,342/x
3. Step 3: Cross multiply
   1,440,147x = 3,111,342 × 3,111,342
4. Step 4: Simplify right side
   1,440,147x = 9,680,449,040,964
5. Step 5: Solve for x
   x = 9,680,449,040,964/1,440,147
6. Step 6: Final answer
   x = 6,721,847.87