Finding the Third Proportional to 31,030 and 64,682

Step by Step Solution

1. Step 1: Write the proportion equation
   31,030 : 64,682 = 64,682 : x
2. Step 2: Convert to fraction form
   31,030/64,682 = 64,682/x
3. Step 3: Cross multiply
   31,030x = 64,682 × 64,682
4. Step 4: Simplify right side
   31,030x = 4,183,761,124
5. Step 5: Solve for x
   x = 4,183,761,124/31,030
6. Step 6: Final answer
   x = 134,829.56