Finding the Third Proportional to 79,722.84 and 123,435.28

Step by Step Solution

1. Step 1: Write the proportion equation
   79,722.84 : 123,435.28 = 123,435.28 : x
2. Step 2: Convert to fraction form
   79,722.84/123,435.28 = 123,435.28/x
3. Step 3: Cross multiply
   79,722.84x = 123,435.28 × 123,435.28
4. Step 4: Simplify right side
   79,722.84x = 15,236,268,657.27
5. Step 5: Solve for x
   x = 15,236,268,657.27/79,722.84
6. Step 6: Final answer
   x = 191,115.47