Finding the Third Proportional to 4,658,180 and 7,407,180

Step by Step Solution

1. Step 1: Write the proportion equation
   4,658,180 : 7,407,180 = 7,407,180 : x
2. Step 2: Convert to fraction form
   4,658,180/7,407,180 = 7,407,180/x
3. Step 3: Cross multiply
   4,658,180x = 7,407,180 × 7,407,180
4. Step 4: Simplify right side
   4,658,180x = 54,866,315,552,400
5. Step 5: Solve for x
   x = 54,866,315,552,400/4,658,180
6. Step 6: Final answer
   x = 11,778,487.64