Finding the Third Proportional to 21,908 and 45,370

Step by Step Solution

1. Step 1: Write the proportion equation
   21,908 : 45,370 = 45,370 : x
2. Step 2: Convert to fraction form
   21,908/45,370 = 45,370/x
3. Step 3: Cross multiply
   21,908x = 45,370 × 45,370
4. Step 4: Simplify right side
   21,908x = 2,058,436,900
5. Step 5: Solve for x
   x = 2,058,436,900/21,908
6. Step 6: Final answer
   x = 93,958.23