Finding the Third Proportional to 20,970 and 45,258

Step by Step Solution

1. Step 1: Write the proportion equation
   20,970 : 45,258 = 45,258 : x
2. Step 2: Convert to fraction form
   20,970/45,258 = 45,258/x
3. Step 3: Cross multiply
   20,970x = 45,258 × 45,258
4. Step 4: Simplify right side
   20,970x = 2,048,286,564
5. Step 5: Solve for x
   x = 2,048,286,564/20,970
6. Step 6: Final answer
   x = 97,676.99