Finding the Third Proportional to 66,105 and 139,014

Step by Step Solution

1. Step 1: Write the proportion equation
   66,105 : 139,014 = 139,014 : x
2. Step 2: Convert to fraction form
   66,105/139,014 = 139,014/x
3. Step 3: Cross multiply
   66,105x = 139,014 × 139,014
4. Step 4: Simplify right side
   66,105x = 19,324,892,196
5. Step 5: Solve for x
   x = 19,324,892,196/66,105
6. Step 6: Final answer
   x = 292,336.32