Finding the Third Proportional to 67,980.75 and 148,059

Step by Step Solution

1. Step 1: Write the proportion equation
   67,980.75 : 148,059 = 148,059 : x
2. Step 2: Convert to fraction form
   67,980.75/148,059 = 148,059/x
3. Step 3: Cross multiply
   67,980.75x = 148,059 × 148,059
4. Step 4: Simplify right side
   67,980.75x = 21,921,467,481
5. Step 5: Solve for x
   x = 21,921,467,481/67,980.75
6. Step 6: Final answer
   x = 322,465.81