Finding the Third Proportional to 31,503 and 67,902

Step by Step Solution

1. Step 1: Write the proportion equation
   31,503 : 67,902 = 67,902 : x
2. Step 2: Convert to fraction form
   31,503/67,902 = 67,902/x
3. Step 3: Cross multiply
   31,503x = 67,902 × 67,902
4. Step 4: Simplify right side
   31,503x = 4,610,681,604
5. Step 5: Solve for x
   x = 4,610,681,604/31,503
6. Step 6: Final answer
   x = 146,356.91