Finding the Third Proportional to 161,163 and 226,552.50

Step by Step Solution

1. Step 1: Write the proportion equation
   161,163 : 226,552.50 = 226,552.50 : x
2. Step 2: Convert to fraction form
   161,163/226,552.50 = 226,552.50/x
3. Step 3: Cross multiply
   161,163x = 226,552.50 × 226,552.50
4. Step 4: Simplify right side
   161,163x = 51,326,035,256.25
5. Step 5: Solve for x
   x = 51,326,035,256.25/161,163
6. Step 6: Final answer
   x = 318,472.82