Finding the Third Proportional to 145,155 and 228,100.50

Step by Step Solution

1. Step 1: Write the proportion equation
   145,155 : 228,100.50 = 228,100.50 : x
2. Step 2: Convert to fraction form
   145,155/228,100.50 = 228,100.50/x
3. Step 3: Cross multiply
   145,155x = 228,100.50 × 228,100.50
4. Step 4: Simplify right side
   145,155x = 52,029,838,100.25
5. Step 5: Solve for x
   x = 52,029,838,100.25/145,155
6. Step 6: Final answer
   x = 358,443.31