Finding the Third Proportional to 21,242 and 45,940

Step by Step Solution

1. Step 1: Write the proportion equation
   21,242 : 45,940 = 45,940 : x
2. Step 2: Convert to fraction form
   21,242/45,940 = 45,940/x
3. Step 3: Cross multiply
   21,242x = 45,940 × 45,940
4. Step 4: Simplify right side
   21,242x = 2,110,483,600
5. Step 5: Solve for x
   x = 2,110,483,600/21,242
6. Step 6: Final answer
   x = 99,354.28