Finding the Third Proportional to 47,636 and 71,940

Step by Step Solution

1. Step 1: Write the proportion equation
   47,636 : 71,940 = 71,940 : x
2. Step 2: Convert to fraction form
   47,636/71,940 = 71,940/x
3. Step 3: Cross multiply
   47,636x = 71,940 × 71,940
4. Step 4: Simplify right side
   47,636x = 5,175,363,600
5. Step 5: Solve for x
   x = 5,175,363,600/47,636
6. Step 6: Final answer
   x = 108,643.96