Finding the Third Proportional to 79,729.50 and 123,374.25

Step by Step Solution

1. Step 1: Write the proportion equation
   79,729.50 : 123,374.25 = 123,374.25 : x
2. Step 2: Convert to fraction form
   79,729.50/123,374.25 = 123,374.25/x
3. Step 3: Cross multiply
   79,729.50x = 123,374.25 × 123,374.25
4. Step 4: Simplify right side
   79,729.50x = 15,221,205,563.06
5. Step 5: Solve for x
   x = 15,221,205,563.06/79,729.50
6. Step 6: Final answer
   x = 190,910.59