Finding the Third Proportional to 149,418 and 222,010

Step by Step Solution

1. Step 1: Write the proportion equation
   149,418 : 222,010 = 222,010 : x
2. Step 2: Convert to fraction form
   149,418/222,010 = 222,010/x
3. Step 3: Cross multiply
   149,418x = 222,010 × 222,010
4. Step 4: Simplify right side
   149,418x = 49,288,440,100
5. Step 5: Solve for x
   x = 49,288,440,100/149,418
6. Step 6: Final answer
   x = 329,869.49