Finding the Third Proportional to 59,864 and 89,631

Step by Step Solution

1. Step 1: Write the proportion equation
   59,864 : 89,631 = 89,631 : x
2. Step 2: Convert to fraction form
   59,864/89,631 = 89,631/x
3. Step 3: Cross multiply
   59,864x = 89,631 × 89,631
4. Step 4: Simplify right side
   59,864x = 8,033,716,161
5. Step 5: Solve for x
   x = 8,033,716,161/59,864
6. Step 6: Final answer
   x = 134,199.45