Finding the Third Proportional to 110,803.50 and 228,139.50

Step by Step Solution

1. Step 1: Write the proportion equation
   110,803.50 : 228,139.50 = 228,139.50 : x
2. Step 2: Convert to fraction form
   110,803.50/228,139.50 = 228,139.50/x
3. Step 3: Cross multiply
   110,803.50x = 228,139.50 × 228,139.50
4. Step 4: Simplify right side
   110,803.50x = 52,047,631,460.25
5. Step 5: Solve for x
   x = 52,047,631,460.25/110,803.50
6. Step 6: Final answer
   x = 469,729.13