Finding the Third Proportional to 21,612 and 46,912.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,612 : 46,912.50 = 46,912.50 : x
2. Step 2: Convert to fraction form
   21,612/46,912.50 = 46,912.50/x
3. Step 3: Cross multiply
   21,612x = 46,912.50 × 46,912.50
4. Step 4: Simplify right side
   21,612x = 2,200,782,656.25
5. Step 5: Solve for x
   x = 2,200,782,656.25/21,612
6. Step 6: Final answer
   x = 101,831.51