Finding the Third Proportional to 21,543 and 46,243.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,543 : 46,243.50 = 46,243.50 : x
2. Step 2: Convert to fraction form
   21,543/46,243.50 = 46,243.50/x
3. Step 3: Cross multiply
   21,543x = 46,243.50 × 46,243.50
4. Step 4: Simplify right side
   21,543x = 2,138,461,292.25
5. Step 5: Solve for x
   x = 2,138,461,292.25/21,543
6. Step 6: Final answer
   x = 99,264.79