Finding the Third Proportional to 137,450 and 212,826

Step by Step Solution

1. Step 1: Write the proportion equation
   137,450 : 212,826 = 212,826 : x
2. Step 2: Convert to fraction form
   137,450/212,826 = 212,826/x
3. Step 3: Cross multiply
   137,450x = 212,826 × 212,826
4. Step 4: Simplify right side
   137,450x = 45,294,906,276
5. Step 5: Solve for x
   x = 45,294,906,276/137,450
6. Step 6: Final answer
   x = 329,537.33