Finding the Third Proportional to 21,148 and 45,942.50

Step by Step Solution

1. Step 1: Write the proportion equation
   21,148 : 45,942.50 = 45,942.50 : x
2. Step 2: Convert to fraction form
   21,148/45,942.50 = 45,942.50/x
3. Step 3: Cross multiply
   21,148x = 45,942.50 × 45,942.50
4. Step 4: Simplify right side
   21,148x = 2,110,713,306.25
5. Step 5: Solve for x
   x = 2,110,713,306.25/21,148
6. Step 6: Final answer
   x = 99,806.76