Finding the Third Proportional to 21,018 and 45,762

Step by Step Solution

1. Step 1: Write the proportion equation
   21,018 : 45,762 = 45,762 : x
2. Step 2: Convert to fraction form
   21,018/45,762 = 45,762/x
3. Step 3: Cross multiply
   21,018x = 45,762 × 45,762
4. Step 4: Simplify right side
   21,018x = 2,094,160,644
5. Step 5: Solve for x
   x = 2,094,160,644/21,018
6. Step 6: Final answer
   x = 99,636.53