Finding the Third Proportional to 79,743 and 123,381

Step by Step Solution

1. Step 1: Write the proportion equation
   79,743 : 123,381 = 123,381 : x
2. Step 2: Convert to fraction form
   79,743/123,381 = 123,381/x
3. Step 3: Cross multiply
   79,743x = 123,381 × 123,381
4. Step 4: Simplify right side
   79,743x = 15,222,871,161
5. Step 5: Solve for x
   x = 15,222,871,161/79,743
6. Step 6: Final answer
   x = 190,899.15