Finding the Third Proportional to 79,776 and 123,508

Step by Step Solution

1. Step 1: Write the proportion equation
   79,776 : 123,508 = 123,508 : x
2. Step 2: Convert to fraction form
   79,776/123,508 = 123,508/x
3. Step 3: Cross multiply
   79,776x = 123,508 × 123,508
4. Step 4: Simplify right side
   79,776x = 15,254,226,064
5. Step 5: Solve for x
   x = 15,254,226,064/79,776
6. Step 6: Final answer
   x = 191,213.22