Finding the Third Proportional to 89,028 and 207,018

Step by Step Solution

1. Step 1: Write the proportion equation
   89,028 : 207,018 = 207,018 : x
2. Step 2: Convert to fraction form
   89,028/207,018 = 207,018/x
3. Step 3: Cross multiply
   89,028x = 207,018 × 207,018
4. Step 4: Simplify right side
   89,028x = 42,856,452,324
5. Step 5: Solve for x
   x = 42,856,452,324/89,028
6. Step 6: Final answer
   x = 481,381.73