Finding the Third Proportional to 151,128 and 222,510

Step by Step Solution

1. Step 1: Write the proportion equation
   151,128 : 222,510 = 222,510 : x
2. Step 2: Convert to fraction form
   151,128/222,510 = 222,510/x
3. Step 3: Cross multiply
   151,128x = 222,510 × 222,510
4. Step 4: Simplify right side
   151,128x = 49,510,700,100
5. Step 5: Solve for x
   x = 49,510,700,100/151,128
6. Step 6: Final answer
   x = 327,607.72