Finding the Third Proportional to 30,736 and 67,136

Step by Step Solution

1. Step 1: Write the proportion equation
   30,736 : 67,136 = 67,136 : x
2. Step 2: Convert to fraction form
   30,736/67,136 = 67,136/x
3. Step 3: Cross multiply
   30,736x = 67,136 × 67,136
4. Step 4: Simplify right side
   30,736x = 4,507,242,496
5. Step 5: Solve for x
   x = 4,507,242,496/30,736
6. Step 6: Final answer
   x = 146,643.76