Finding the Third Proportional to 79,732 and 123,378

Step by Step Solution

1. Step 1: Write the proportion equation
   79,732 : 123,378 = 123,378 : x
2. Step 2: Convert to fraction form
   79,732/123,378 = 123,378/x
3. Step 3: Cross multiply
   79,732x = 123,378 × 123,378
4. Step 4: Simplify right side
   79,732x = 15,222,130,884
5. Step 5: Solve for x
   x = 15,222,130,884/79,732
6. Step 6: Final answer
   x = 190,916.21