Finding the Third Proportional to 42,036 and 89,634

Step by Step Solution

1. Step 1: Write the proportion equation
   42,036 : 89,634 = 89,634 : x
2. Step 2: Convert to fraction form
   42,036/89,634 = 89,634/x
3. Step 3: Cross multiply
   42,036x = 89,634 × 89,634
4. Step 4: Simplify right side
   42,036x = 8,034,253,956
5. Step 5: Solve for x
   x = 8,034,253,956/42,036
6. Step 6: Final answer
   x = 191,127.94