Finding the Third Proportional to 67,404 and 104,640

Step by Step Solution

1. Step 1: Write the proportion equation
   67,404 : 104,640 = 104,640 : x
2. Step 2: Convert to fraction form
   67,404/104,640 = 104,640/x
3. Step 3: Cross multiply
   67,404x = 104,640 × 104,640
4. Step 4: Simplify right side
   67,404x = 10,949,529,600
5. Step 5: Solve for x
   x = 10,949,529,600/67,404
6. Step 6: Final answer
   x = 162,446.29