Finding the Third Proportional to 31,088 and 67,693

Step by Step Solution

1. Step 1: Write the proportion equation
   31,088 : 67,693 = 67,693 : x
2. Step 2: Convert to fraction form
   31,088/67,693 = 67,693/x
3. Step 3: Cross multiply
   31,088x = 67,693 × 67,693
4. Step 4: Simplify right side
   31,088x = 4,582,342,249
5. Step 5: Solve for x
   x = 4,582,342,249/31,088
6. Step 6: Final answer
   x = 147,399.07