Finding the Third Proportional to 79,864 and 123,646

Step by Step Solution

1. Step 1: Write the proportion equation
   79,864 : 123,646 = 123,646 : x
2. Step 2: Convert to fraction form
   79,864/123,646 = 123,646/x
3. Step 3: Cross multiply
   79,864x = 123,646 × 123,646
4. Step 4: Simplify right side
   79,864x = 15,288,333,316
5. Step 5: Solve for x
   x = 15,288,333,316/79,864
6. Step 6: Final answer
   x = 191,429.60