Finding the Third Proportional to 1,440,155 and 3,111,358

Step by Step Solution

1. Step 1: Write the proportion equation
   1,440,155 : 3,111,358 = 3,111,358 : x
2. Step 2: Convert to fraction form
   1,440,155/3,111,358 = 3,111,358/x
3. Step 3: Cross multiply
   1,440,155x = 3,111,358 × 3,111,358
4. Step 4: Simplify right side
   1,440,155x = 9,680,548,604,164
5. Step 5: Solve for x
   x = 9,680,548,604,164/1,440,155
6. Step 6: Final answer
   x = 6,721,879.66