Finding the Third Proportional to 92,954 and 139,643

Step by Step Solution

1. Step 1: Write the proportion equation
   92,954 : 139,643 = 139,643 : x
2. Step 2: Convert to fraction form
   92,954/139,643 = 139,643/x
3. Step 3: Cross multiply
   92,954x = 139,643 × 139,643
4. Step 4: Simplify right side
   92,954x = 19,500,167,449
5. Step 5: Solve for x
   x = 19,500,167,449/92,954
6. Step 6: Final answer
   x = 209,782.98