Finding the Third Proportional to 21,243.75 and 46,669.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,243.75 : 46,669.50 = 46,669.50 : x
2. Step 2: Convert to fraction form
   21,243.75/46,669.50 = 46,669.50/x
3. Step 3: Cross multiply
   21,243.75x = 46,669.50 × 46,669.50
4. Step 4: Simplify right side
   21,243.75x = 2,178,042,230.25
5. Step 5: Solve for x
   x = 2,178,042,230.25/21,243.75
6. Step 6: Final answer
   x = 102,526.26