Finding the Third Proportional to 1,440,149 and 3,111,346

Step by Step Solution

1. Step 1: Write the proportion equation
   1,440,149 : 3,111,346 = 3,111,346 : x
2. Step 2: Convert to fraction form
   1,440,149/3,111,346 = 3,111,346/x
3. Step 3: Cross multiply
   1,440,149x = 3,111,346 × 3,111,346
4. Step 4: Simplify right side
   1,440,149x = 9,680,473,931,716
5. Step 5: Solve for x
   x = 9,680,473,931,716/1,440,149
6. Step 6: Final answer
   x = 6,721,855.82