Finding the Third Proportional to 21,151.50 and 50,107.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,151.50 : 50,107.50 = 50,107.50 : x
2. Step 2: Convert to fraction form
   21,151.50/50,107.50 = 50,107.50/x
3. Step 3: Cross multiply
   21,151.50x = 50,107.50 × 50,107.50
4. Step 4: Simplify right side
   21,151.50x = 2,510,761,556.25
5. Step 5: Solve for x
   x = 2,510,761,556.25/21,151.50
6. Step 6: Final answer
   x = 118,703.71