Finding the Third Proportional to 79,861.50 and 123,828.75

Step by Step Solution

1. Step 1: Write the proportion equation
   79,861.50 : 123,828.75 = 123,828.75 : x
2. Step 2: Convert to fraction form
   79,861.50/123,828.75 = 123,828.75/x
3. Step 3: Cross multiply
   79,861.50x = 123,828.75 × 123,828.75
4. Step 4: Simplify right side
   79,861.50x = 15,333,559,326.56
5. Step 5: Solve for x
   x = 15,333,559,326.56/79,861.50
6. Step 6: Final answer
   x = 192,001.89