Finding the Third Proportional to 21,528 and 45,018

Step by Step Solution

1. Step 1: Write the proportion equation
   21,528 : 45,018 = 45,018 : x
2. Step 2: Convert to fraction form
   21,528/45,018 = 45,018/x
3. Step 3: Cross multiply
   21,528x = 45,018 × 45,018
4. Step 4: Simplify right side
   21,528x = 2,026,620,324
5. Step 5: Solve for x
   x = 2,026,620,324/21,528
6. Step 6: Final answer
   x = 94,138.81