Finding the Third Proportional to 31,764 and 67,900

Step by Step Solution

1. Step 1: Write the proportion equation
   31,764 : 67,900 = 67,900 : x
2. Step 2: Convert to fraction form
   31,764/67,900 = 67,900/x
3. Step 3: Cross multiply
   31,764x = 67,900 × 67,900
4. Step 4: Simplify right side
   31,764x = 4,610,410,000
5. Step 5: Solve for x
   x = 4,610,410,000/31,764
6. Step 6: Final answer
   x = 145,145.76