Finding the Third Proportional to 31,388 and 67,094

Step by Step Solution

1. Step 1: Write the proportion equation
   31,388 : 67,094 = 67,094 : x
2. Step 2: Convert to fraction form
   31,388/67,094 = 67,094/x
3. Step 3: Cross multiply
   31,388x = 67,094 × 67,094
4. Step 4: Simplify right side
   31,388x = 4,501,604,836
5. Step 5: Solve for x
   x = 4,501,604,836/31,388
6. Step 6: Final answer
   x = 143,418.02