Finding the Third Proportional to 21,699 and 47,550

Step by Step Solution

1. Step 1: Write the proportion equation
   21,699 : 47,550 = 47,550 : x
2. Step 2: Convert to fraction form
   21,699/47,550 = 47,550/x
3. Step 3: Cross multiply
   21,699x = 47,550 × 47,550
4. Step 4: Simplify right side
   21,699x = 2,261,002,500
5. Step 5: Solve for x
   x = 2,261,002,500/21,699
6. Step 6: Final answer
   x = 104,198.47