Finding the Third Proportional to 8,320.50 and 12,450.94

Step by Step Solution

1. Step 1: Write the proportion equation
   8,320.50 : 12,450.94 = 12,450.94 : x
2. Step 2: Convert to fraction form
   8,320.50/12,450.94 = 12,450.94/x
3. Step 3: Cross multiply
   8,320.50x = 12,450.94 × 12,450.94
4. Step 4: Simplify right side
   8,320.50x = 155,025,844.63
5. Step 5: Solve for x
   x = 155,025,844.63/8,320.50
6. Step 6: Final answer
   x = 18,631.79