Finding the Third Proportional to 21,523 and 45,530

Step by Step Solution

1. Step 1: Write the proportion equation
   21,523 : 45,530 = 45,530 : x
2. Step 2: Convert to fraction form
   21,523/45,530 = 45,530/x
3. Step 3: Cross multiply
   21,523x = 45,530 × 45,530
4. Step 4: Simplify right side
   21,523x = 2,072,980,900
5. Step 5: Solve for x
   x = 2,072,980,900/21,523
6. Step 6: Final answer
   x = 96,314.68