Finding the Third Proportional to 4,441,360 and 9,231,640

Step by Step Solution

1. Step 1: Write the proportion equation
   4,441,360 : 9,231,640 = 9,231,640 : x
2. Step 2: Convert to fraction form
   4,441,360/9,231,640 = 9,231,640/x
3. Step 3: Cross multiply
   4,441,360x = 9,231,640 × 9,231,640
4. Step 4: Simplify right side
   4,441,360x = 85,223,177,089,600
5. Step 5: Solve for x
   x = 85,223,177,089,600/4,441,360
6. Step 6: Final answer
   x = 19,188,531.69