Finding the Third Proportional to 68,351.50 and 143,606

Step by Step Solution

1. Step 1: Write the proportion equation
   68,351.50 : 143,606 = 143,606 : x
2. Step 2: Convert to fraction form
   68,351.50/143,606 = 143,606/x
3. Step 3: Cross multiply
   68,351.50x = 143,606 × 143,606
4. Step 4: Simplify right side
   68,351.50x = 20,622,683,236
5. Step 5: Solve for x
   x = 20,622,683,236/68,351.50
6. Step 6: Final answer
   x = 301,715.15