Finding the Third Proportional to 147,817.50 and 228,288

Step by Step Solution

1. Step 1: Write the proportion equation
   147,817.50 : 228,288 = 228,288 : x
2. Step 2: Convert to fraction form
   147,817.50/228,288 = 228,288/x
3. Step 3: Cross multiply
   147,817.50x = 228,288 × 228,288
4. Step 4: Simplify right side
   147,817.50x = 52,115,410,944
5. Step 5: Solve for x
   x = 52,115,410,944/147,817.50
6. Step 6: Final answer
   x = 352,565.91