Finding the Third Proportional to 67,359 and 139,092

Step by Step Solution

1. Step 1: Write the proportion equation
   67,359 : 139,092 = 139,092 : x
2. Step 2: Convert to fraction form
   67,359/139,092 = 139,092/x
3. Step 3: Cross multiply
   67,359x = 139,092 × 139,092
4. Step 4: Simplify right side
   67,359x = 19,346,584,464
5. Step 5: Solve for x
   x = 19,346,584,464/67,359
6. Step 6: Final answer
   x = 287,216.03