Finding the Third Proportional to 9,128,960.50 and 14,128,005

Step by Step Solution

1. Step 1: Write the proportion equation
   9,128,960.50 : 14,128,005 = 14,128,005 : x
2. Step 2: Convert to fraction form
   9,128,960.50/14,128,005 = 14,128,005/x
3. Step 3: Cross multiply
   9,128,960.50x = 14,128,005 × 14,128,005
4. Step 4: Simplify right side
   9,128,960.50x = 199,600,525,280,025
5. Step 5: Solve for x
   x = 199,600,525,280,025/9,128,960.50
6. Step 6: Final answer
   x = 21,864,540.36