Finding the Third Proportional to 42,048 and 89,660

Step by Step Solution

1. Step 1: Write the proportion equation
   42,048 : 89,660 = 89,660 : x
2. Step 2: Convert to fraction form
   42,048/89,660 = 89,660/x
3. Step 3: Cross multiply
   42,048x = 89,660 × 89,660
4. Step 4: Simplify right side
   42,048x = 8,038,915,600
5. Step 5: Solve for x
   x = 8,038,915,600/42,048
6. Step 6: Final answer
   x = 191,184.26