Finding the Third Proportional to 31,512 and 64,056

Step by Step Solution

1. Step 1: Write the proportion equation
   31,512 : 64,056 = 64,056 : x
2. Step 2: Convert to fraction form
   31,512/64,056 = 64,056/x
3. Step 3: Cross multiply
   31,512x = 64,056 × 64,056
4. Step 4: Simplify right side
   31,512x = 4,103,171,136
5. Step 5: Solve for x
   x = 4,103,171,136/31,512
6. Step 6: Final answer
   x = 130,209.80