Finding the Third Proportional to 228,196 and 508,861.50

Step by Step Solution

1. Step 1: Write the proportion equation
   228,196 : 508,861.50 = 508,861.50 : x
2. Step 2: Convert to fraction form
   228,196/508,861.50 = 508,861.50/x
3. Step 3: Cross multiply
   228,196x = 508,861.50 × 508,861.50
4. Step 4: Simplify right side
   228,196x = 258,940,026,182.25
5. Step 5: Solve for x
   x = 258,940,026,182.25/228,196
6. Step 6: Final answer
   x = 1,134,726.40