Finding the Third Proportional to 147,436 and 221,898

Step by Step Solution

1. Step 1: Write the proportion equation
   147,436 : 221,898 = 221,898 : x
2. Step 2: Convert to fraction form
   147,436/221,898 = 221,898/x
3. Step 3: Cross multiply
   147,436x = 221,898 × 221,898
4. Step 4: Simplify right side
   147,436x = 49,238,722,404
5. Step 5: Solve for x
   x = 49,238,722,404/147,436
6. Step 6: Final answer
   x = 333,966.75