Finding the Third Proportional to 92,406 and 139,266

Step by Step Solution

1. Step 1: Write the proportion equation
   92,406 : 139,266 = 139,266 : x
2. Step 2: Convert to fraction form
   92,406/139,266 = 139,266/x
3. Step 3: Cross multiply
   92,406x = 139,266 × 139,266
4. Step 4: Simplify right side
   92,406x = 19,395,018,756
5. Step 5: Solve for x
   x = 19,395,018,756/92,406
6. Step 6: Final answer
   x = 209,889.17