Finding the Third Proportional to 31,079.81 and 67,852.41

Step by Step Solution

1. Step 1: Write the proportion equation
   31,079.81 : 67,852.41 = 67,852.41 : x
2. Step 2: Convert to fraction form
   31,079.81/67,852.41 = 67,852.41/x
3. Step 3: Cross multiply
   31,079.81x = 67,852.41 × 67,852.41
4. Step 4: Simplify right side
   31,079.81x = 4,603,949,033.92
5. Step 5: Solve for x
   x = 4,603,949,033.92/31,079.81
6. Step 6: Final answer
   x = 148,133.10