Finding the Third Proportional to 5,285.53 and 8,363.06

Step by Step Solution

1. Step 1: Write the proportion equation
   5,285.53 : 8,363.06 = 8,363.06 : x
2. Step 2: Convert to fraction form
   5,285.53/8,363.06 = 8,363.06/x
3. Step 3: Cross multiply
   5,285.53x = 8,363.06 × 8,363.06
4. Step 4: Simplify right side
   5,285.53x = 69,940,814.38
5. Step 5: Solve for x
   x = 69,940,814.38/5,285.53
6. Step 6: Final answer
   x = 13,232.50