Finding the Third Proportional to 137,325 and 212,522

Step by Step Solution

1. Step 1: Write the proportion equation
   137,325 : 212,522 = 212,522 : x
2. Step 2: Convert to fraction form
   137,325/212,522 = 212,522/x
3. Step 3: Cross multiply
   137,325x = 212,522 × 212,522
4. Step 4: Simplify right side
   137,325x = 45,165,600,484
5. Step 5: Solve for x
   x = 45,165,600,484/137,325
6. Step 6: Final answer
   x = 328,895.69