Finding the Third Proportional to 67,817.25 and 147,693.38

Step by Step Solution

1. Step 1: Write the proportion equation
   67,817.25 : 147,693.38 = 147,693.38 : x
2. Step 2: Convert to fraction form
   67,817.25/147,693.38 = 147,693.38/x
3. Step 3: Cross multiply
   67,817.25x = 147,693.38 × 147,693.38
4. Step 4: Simplify right side
   67,817.25x = 21,813,333,018.89
5. Step 5: Solve for x
   x = 21,813,333,018.89/67,817.25
6. Step 6: Final answer
   x = 321,648.74