Finding the Third Proportional to 222,372 and 489,026

Step by Step Solution

1. Step 1: Write the proportion equation
   222,372 : 489,026 = 489,026 : x
2. Step 2: Convert to fraction form
   222,372/489,026 = 489,026/x
3. Step 3: Cross multiply
   222,372x = 489,026 × 489,026
4. Step 4: Simplify right side
   222,372x = 239,146,428,676
5. Step 5: Solve for x
   x = 239,146,428,676/222,372
6. Step 6: Final answer
   x = 1,075,434.09