Finding the Third Proportional to 151,217 and 222,444.50

Step by Step Solution

1. Step 1: Write the proportion equation
   151,217 : 222,444.50 = 222,444.50 : x
2. Step 2: Convert to fraction form
   151,217/222,444.50 = 222,444.50/x
3. Step 3: Cross multiply
   151,217x = 222,444.50 × 222,444.50
4. Step 4: Simplify right side
   151,217x = 49,481,555,580.25
5. Step 5: Solve for x
   x = 49,481,555,580.25/151,217
6. Step 6: Final answer
   x = 327,222.17