Finding the Third Proportional to 60,092 and 139,109

Step by Step Solution

1. Step 1: Write the proportion equation
   60,092 : 139,109 = 139,109 : x
2. Step 2: Convert to fraction form
   60,092/139,109 = 139,109/x
3. Step 3: Cross multiply
   60,092x = 139,109 × 139,109
4. Step 4: Simplify right side
   60,092x = 19,351,313,881
5. Step 5: Solve for x
   x = 19,351,313,881/60,092
6. Step 6: Final answer
   x = 322,028.12