Finding the Third Proportional to 21,417.75 and 47,423.25

Step by Step Solution

1. Step 1: Write the proportion equation
   21,417.75 : 47,423.25 = 47,423.25 : x
2. Step 2: Convert to fraction form
   21,417.75/47,423.25 = 47,423.25/x
3. Step 3: Cross multiply
   21,417.75x = 47,423.25 × 47,423.25
4. Step 4: Simplify right side
   21,417.75x = 2,248,964,640.56
5. Step 5: Solve for x
   x = 2,248,964,640.56/21,417.75
6. Step 6: Final answer
   x = 105,004.71