Finding the Third Proportional to 59,520 and 89,886

Step by Step Solution

1. Step 1: Write the proportion equation
   59,520 : 89,886 = 89,886 : x
2. Step 2: Convert to fraction form
   59,520/89,886 = 89,886/x
3. Step 3: Cross multiply
   59,520x = 89,886 × 89,886
4. Step 4: Simplify right side
   59,520x = 8,079,492,996
5. Step 5: Solve for x
   x = 8,079,492,996/59,520
6. Step 6: Final answer
   x = 135,744.17