Finding the Third Proportional to 226,916 and 301,007.50

Step by Step Solution

1. Step 1: Write the proportion equation
   226,916 : 301,007.50 = 301,007.50 : x
2. Step 2: Convert to fraction form
   226,916/301,007.50 = 301,007.50/x
3. Step 3: Cross multiply
   226,916x = 301,007.50 × 301,007.50
4. Step 4: Simplify right side
   226,916x = 90,605,515,056.25
5. Step 5: Solve for x
   x = 90,605,515,056.25/226,916
6. Step 6: Final answer
   x = 399,290.99