Finding the Third Proportional to 21,150 and 45,942

Step by Step Solution

1. Step 1: Write the proportion equation
   21,150 : 45,942 = 45,942 : x
2. Step 2: Convert to fraction form
   21,150/45,942 = 45,942/x
3. Step 3: Cross multiply
   21,150x = 45,942 × 45,942
4. Step 4: Simplify right side
   21,150x = 2,110,667,364
5. Step 5: Solve for x
   x = 2,110,667,364/21,150
6. Step 6: Final answer
   x = 99,795.15