Finding the Third Proportional to 42,018 and 89,592

Step by Step Solution

1. Step 1: Write the proportion equation
   42,018 : 89,592 = 89,592 : x
2. Step 2: Convert to fraction form
   42,018/89,592 = 89,592/x
3. Step 3: Cross multiply
   42,018x = 89,592 × 89,592
4. Step 4: Simplify right side
   42,018x = 8,026,726,464
5. Step 5: Solve for x
   x = 8,026,726,464/42,018
6. Step 6: Final answer
   x = 191,030.66