Finding the Third Proportional to 79,738 and 123,386

Step by Step Solution

1. Step 1: Write the proportion equation
   79,738 : 123,386 = 123,386 : x
2. Step 2: Convert to fraction form
   79,738/123,386 = 123,386/x
3. Step 3: Cross multiply
   79,738x = 123,386 × 123,386
4. Step 4: Simplify right side
   79,738x = 15,224,104,996
5. Step 5: Solve for x
   x = 15,224,104,996/79,738
6. Step 6: Final answer
   x = 190,926.60