Finding the Third Proportional to 7,224,600 and 9,906,960

Step by Step Solution

1. Step 1: Write the proportion equation
   7,224,600 : 9,906,960 = 9,906,960 : x
2. Step 2: Convert to fraction form
   7,224,600/9,906,960 = 9,906,960/x
3. Step 3: Cross multiply
   7,224,600x = 9,906,960 × 9,906,960
4. Step 4: Simplify right side
   7,224,600x = 98,147,856,441,600
5. Step 5: Solve for x
   x = 98,147,856,441,600/7,224,600
6. Step 6: Final answer
   x = 13,585,230.52