Finding the Third Proportional to 21,628.50 and 46,489.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,628.50 : 46,489.50 = 46,489.50 : x
2. Step 2: Convert to fraction form
   21,628.50/46,489.50 = 46,489.50/x
3. Step 3: Cross multiply
   21,628.50x = 46,489.50 × 46,489.50
4. Step 4: Simplify right side
   21,628.50x = 2,161,273,610.25
5. Step 5: Solve for x
   x = 2,161,273,610.25/21,628.50
6. Step 6: Final answer
   x = 99,927.12