Finding the Third Proportional to 151,798.50 and 228,091.50

Step by Step Solution

1. Step 1: Write the proportion equation
   151,798.50 : 228,091.50 = 228,091.50 : x
2. Step 2: Convert to fraction form
   151,798.50/228,091.50 = 228,091.50/x
3. Step 3: Cross multiply
   151,798.50x = 228,091.50 × 228,091.50
4. Step 4: Simplify right side
   151,798.50x = 52,025,732,372.25
5. Step 5: Solve for x
   x = 52,025,732,372.25/151,798.50
6. Step 6: Final answer
   x = 342,728.90