Finding the Third Proportional to 30,238 and 64,136

Step by Step Solution

1. Step 1: Write the proportion equation
   30,238 : 64,136 = 64,136 : x
2. Step 2: Convert to fraction form
   30,238/64,136 = 64,136/x
3. Step 3: Cross multiply
   30,238x = 64,136 × 64,136
4. Step 4: Simplify right side
   30,238x = 4,113,426,496
5. Step 5: Solve for x
   x = 4,113,426,496/30,238
6. Step 6: Final answer
   x = 136,035.01