Finding the Third Proportional to 32,429 and 67,288

Step by Step Solution

1. Step 1: Write the proportion equation
   32,429 : 67,288 = 67,288 : x
2. Step 2: Convert to fraction form
   32,429/67,288 = 67,288/x
3. Step 3: Cross multiply
   32,429x = 67,288 × 67,288
4. Step 4: Simplify right side
   32,429x = 4,527,674,944
5. Step 5: Solve for x
   x = 4,527,674,944/32,429
6. Step 6: Final answer
   x = 139,618.09