Finding the Third Proportional to 9,940.50 and 14,612.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,940.50 : 14,612.50 = 14,612.50 : x
2. Step 2: Convert to fraction form
   9,940.50/14,612.50 = 14,612.50/x
3. Step 3: Cross multiply
   9,940.50x = 14,612.50 × 14,612.50
4. Step 4: Simplify right side
   9,940.50x = 213,525,156.25
5. Step 5: Solve for x
   x = 213,525,156.25/9,940.50
6. Step 6: Final answer
   x = 21,480.32