Finding the Third Proportional to 67,806 and 147,505

Step by Step Solution

1. Step 1: Write the proportion equation
   67,806 : 147,505 = 147,505 : x
2. Step 2: Convert to fraction form
   67,806/147,505 = 147,505/x
3. Step 3: Cross multiply
   67,806x = 147,505 × 147,505
4. Step 4: Simplify right side
   67,806x = 21,757,725,025
5. Step 5: Solve for x
   x = 21,757,725,025/67,806
6. Step 6: Final answer
   x = 320,882.00