Finding the Third Proportional to 67,063 and 139,635

Step by Step Solution

1. Step 1: Write the proportion equation
   67,063 : 139,635 = 139,635 : x
2. Step 2: Convert to fraction form
   67,063/139,635 = 139,635/x
3. Step 3: Cross multiply
   67,063x = 139,635 × 139,635
4. Step 4: Simplify right side
   67,063x = 19,497,933,225
5. Step 5: Solve for x
   x = 19,497,933,225/67,063
6. Step 6: Final answer
   x = 290,740.55