Finding the Third Proportional to 1,227,120 and 2,670,144

Step by Step Solution

1. Step 1: Write the proportion equation
   1,227,120 : 2,670,144 = 2,670,144 : x
2. Step 2: Convert to fraction form
   1,227,120/2,670,144 = 2,670,144/x
3. Step 3: Cross multiply
   1,227,120x = 2,670,144 × 2,670,144
4. Step 4: Simplify right side
   1,227,120x = 7,129,668,980,736
5. Step 5: Solve for x
   x = 7,129,668,980,736/1,227,120
6. Step 6: Final answer
   x = 5,810,082.94