Finding the Third Proportional to 145,145.50 and 219,906

Step by Step Solution

1. Step 1: Write the proportion equation
   145,145.50 : 219,906 = 219,906 : x
2. Step 2: Convert to fraction form
   145,145.50/219,906 = 219,906/x
3. Step 3: Cross multiply
   145,145.50x = 219,906 × 219,906
4. Step 4: Simplify right side
   145,145.50x = 48,358,648,836
5. Step 5: Solve for x
   x = 48,358,648,836/145,145.50
6. Step 6: Final answer
   x = 333,173.60