Finding the Third Proportional to 146,146.50 and 219,240

Step by Step Solution

1. Step 1: Write the proportion equation
   146,146.50 : 219,240 = 219,240 : x
2. Step 2: Convert to fraction form
   146,146.50/219,240 = 219,240/x
3. Step 3: Cross multiply
   146,146.50x = 219,240 × 219,240
4. Step 4: Simplify right side
   146,146.50x = 48,066,177,600
5. Step 5: Solve for x
   x = 48,066,177,600/146,146.50
6. Step 6: Final answer
   x = 328,890.38