Finding the Third Proportional to 3,340,240 and 7,445,440

Step by Step Solution

1. Step 1: Write the proportion equation
   3,340,240 : 7,445,440 = 7,445,440 : x
2. Step 2: Convert to fraction form
   3,340,240/7,445,440 = 7,445,440/x
3. Step 3: Cross multiply
   3,340,240x = 7,445,440 × 7,445,440
4. Step 4: Simplify right side
   3,340,240x = 55,434,576,793,600
5. Step 5: Solve for x
   x = 55,434,576,793,600/3,340,240
6. Step 6: Final answer
   x = 16,595,986.15