Finding the Third Proportional to 151,221 and 223,381.50

Step by Step Solution

1. Step 1: Write the proportion equation
   151,221 : 223,381.50 = 223,381.50 : x
2. Step 2: Convert to fraction form
   151,221/223,381.50 = 223,381.50/x
3. Step 3: Cross multiply
   151,221x = 223,381.50 × 223,381.50
4. Step 4: Simplify right side
   151,221x = 49,899,294,542.25
5. Step 5: Solve for x
   x = 49,899,294,542.25/151,221
6. Step 6: Final answer
   x = 329,975.96