Finding the Third Proportional to 51,870 and 73,401

Step by Step Solution

1. Step 1: Write the proportion equation
   51,870 : 73,401 = 73,401 : x
2. Step 2: Convert to fraction form
   51,870/73,401 = 73,401/x
3. Step 3: Cross multiply
   51,870x = 73,401 × 73,401
4. Step 4: Simplify right side
   51,870x = 5,387,706,801
5. Step 5: Solve for x
   x = 5,387,706,801/51,870
6. Step 6: Final answer
   x = 103,869.42