Finding the Third Proportional to 67,053 and 139,617

Step by Step Solution

1. Step 1: Write the proportion equation
   67,053 : 139,617 = 139,617 : x
2. Step 2: Convert to fraction form
   67,053/139,617 = 139,617/x
3. Step 3: Cross multiply
   67,053x = 139,617 × 139,617
4. Step 4: Simplify right side
   67,053x = 19,492,906,689
5. Step 5: Solve for x
   x = 19,492,906,689/67,053
6. Step 6: Final answer
   x = 290,708.94