Finding the Third Proportional to 20,920.50 and 45,972

Step by Step Solution

1. Step 1: Write the proportion equation
   20,920.50 : 45,972 = 45,972 : x
2. Step 2: Convert to fraction form
   20,920.50/45,972 = 45,972/x
3. Step 3: Cross multiply
   20,920.50x = 45,972 × 45,972
4. Step 4: Simplify right side
   20,920.50x = 2,113,424,784
5. Step 5: Solve for x
   x = 2,113,424,784/20,920.50
6. Step 6: Final answer
   x = 101,021.71