Finding the Third Proportional to 111,901 and 228,972.50

Step by Step Solution

1. Step 1: Write the proportion equation
   111,901 : 228,972.50 = 228,972.50 : x
2. Step 2: Convert to fraction form
   111,901/228,972.50 = 228,972.50/x
3. Step 3: Cross multiply
   111,901x = 228,972.50 × 228,972.50
4. Step 4: Simplify right side
   111,901x = 52,428,405,756.25
5. Step 5: Solve for x
   x = 52,428,405,756.25/111,901
6. Step 6: Final answer
   x = 468,524.91