Finding the Third Proportional to 20,900 and 45,484

Step by Step Solution

1. Step 1: Write the proportion equation
   20,900 : 45,484 = 45,484 : x
2. Step 2: Convert to fraction form
   20,900/45,484 = 45,484/x
3. Step 3: Cross multiply
   20,900x = 45,484 × 45,484
4. Step 4: Simplify right side
   20,900x = 2,068,794,256
5. Step 5: Solve for x
   x = 2,068,794,256/20,900
6. Step 6: Final answer
   x = 98,985.37