Finding the Third Proportional to 3,554,240 and 5,065,440

Step by Step Solution

1. Step 1: Write the proportion equation
   3,554,240 : 5,065,440 = 5,065,440 : x
2. Step 2: Convert to fraction form
   3,554,240/5,065,440 = 5,065,440/x
3. Step 3: Cross multiply
   3,554,240x = 5,065,440 × 5,065,440
4. Step 4: Simplify right side
   3,554,240x = 25,658,682,393,600
5. Step 5: Solve for x
   x = 25,658,682,393,600/3,554,240
6. Step 6: Final answer
   x = 7,219,175.52