Finding the Third Proportional to 31,206.50 and 67,333

Step by Step Solution

1. Step 1: Write the proportion equation
   31,206.50 : 67,333 = 67,333 : x
2. Step 2: Convert to fraction form
   31,206.50/67,333 = 67,333/x
3. Step 3: Cross multiply
   31,206.50x = 67,333 × 67,333
4. Step 4: Simplify right side
   31,206.50x = 4,533,732,889
5. Step 5: Solve for x
   x = 4,533,732,889/31,206.50
6. Step 6: Final answer
   x = 145,281.68