Finding the Third Proportional to 31,328 and 70,928

Step by Step Solution

1. Step 1: Write the proportion equation
   31,328 : 70,928 = 70,928 : x
2. Step 2: Convert to fraction form
   31,328/70,928 = 70,928/x
3. Step 3: Cross multiply
   31,328x = 70,928 × 70,928
4. Step 4: Simplify right side
   31,328x = 5,030,781,184
5. Step 5: Solve for x
   x = 5,030,781,184/31,328
6. Step 6: Final answer
   x = 160,584.18