Finding the Third Proportional to 21,900.38 and 48,903.75

Step by Step Solution

1. Step 1: Write the proportion equation
   21,900.38 : 48,903.75 = 48,903.75 : x
2. Step 2: Convert to fraction form
   21,900.38/48,903.75 = 48,903.75/x
3. Step 3: Cross multiply
   21,900.38x = 48,903.75 × 48,903.75
4. Step 4: Simplify right side
   21,900.38x = 2,391,576,764.06
5. Step 5: Solve for x
   x = 2,391,576,764.06/21,900.38
6. Step 6: Final answer
   x = 109,202.55