Finding the Third Proportional to 67,516 and 89,608

Step by Step Solution

1. Step 1: Write the proportion equation
   67,516 : 89,608 = 89,608 : x
2. Step 2: Convert to fraction form
   67,516/89,608 = 89,608/x
3. Step 3: Cross multiply
   67,516x = 89,608 × 89,608
4. Step 4: Simplify right side
   67,516x = 8,029,593,664
5. Step 5: Solve for x
   x = 8,029,593,664/67,516
6. Step 6: Final answer
   x = 118,928.75