Finding the Third Proportional to 1,402,020 and 3,040,240

Step by Step Solution

1. Step 1: Write the proportion equation
   1,402,020 : 3,040,240 = 3,040,240 : x
2. Step 2: Convert to fraction form
   1,402,020/3,040,240 = 3,040,240/x
3. Step 3: Cross multiply
   1,402,020x = 3,040,240 × 3,040,240
4. Step 4: Simplify right side
   1,402,020x = 9,243,059,257,600
5. Step 5: Solve for x
   x = 9,243,059,257,600/1,402,020
6. Step 6: Final answer
   x = 6,592,672.90