Finding the Third Proportional to 21,450 and 47,053.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,450 : 47,053.50 = 47,053.50 : x
2. Step 2: Convert to fraction form
   21,450/47,053.50 = 47,053.50/x
3. Step 3: Cross multiply
   21,450x = 47,053.50 × 47,053.50
4. Step 4: Simplify right side
   21,450x = 2,214,031,862.25
5. Step 5: Solve for x
   x = 2,214,031,862.25/21,450
6. Step 6: Final answer
   x = 103,218.27