Finding the Third Proportional to 60,678 and 89,037

Step by Step Solution

1. Step 1: Write the proportion equation
   60,678 : 89,037 = 89,037 : x
2. Step 2: Convert to fraction form
   60,678/89,037 = 89,037/x
3. Step 3: Cross multiply
   60,678x = 89,037 × 89,037
4. Step 4: Simplify right side
   60,678x = 7,927,587,369
5. Step 5: Solve for x
   x = 7,927,587,369/60,678
6. Step 6: Final answer
   x = 130,650.11