Finding the Third Proportional to 151,010 and 222,128

Step by Step Solution

1. Step 1: Write the proportion equation
   151,010 : 222,128 = 222,128 : x
2. Step 2: Convert to fraction form
   151,010/222,128 = 222,128/x
3. Step 3: Cross multiply
   151,010x = 222,128 × 222,128
4. Step 4: Simplify right side
   151,010x = 49,340,848,384
5. Step 5: Solve for x
   x = 49,340,848,384/151,010
6. Step 6: Final answer
   x = 326,738.95