Finding the Third Proportional to 1,440,148 and 3,111,344

Step by Step Solution

1. Step 1: Write the proportion equation
   1,440,148 : 3,111,344 = 3,111,344 : x
2. Step 2: Convert to fraction form
   1,440,148/3,111,344 = 3,111,344/x
3. Step 3: Cross multiply
   1,440,148x = 3,111,344 × 3,111,344
4. Step 4: Simplify right side
   1,440,148x = 9,680,461,486,336
5. Step 5: Solve for x
   x = 9,680,461,486,336/1,440,148
6. Step 6: Final answer
   x = 6,721,851.84