Finding the Third Proportional to 145,834 and 228,472.50

Step by Step Solution

1. Step 1: Write the proportion equation
   145,834 : 228,472.50 = 228,472.50 : x
2. Step 2: Convert to fraction form
   145,834/228,472.50 = 228,472.50/x
3. Step 3: Cross multiply
   145,834x = 228,472.50 × 228,472.50
4. Step 4: Simplify right side
   145,834x = 52,199,683,256.25
5. Step 5: Solve for x
   x = 52,199,683,256.25/145,834
6. Step 6: Final answer
   x = 357,939.05