Finding the Third Proportional to 79,123.50 and 105,694.88

Step by Step Solution

1. Step 1: Write the proportion equation
   79,123.50 : 105,694.88 = 105,694.88 : x
2. Step 2: Convert to fraction form
   79,123.50/105,694.88 = 105,694.88/x
3. Step 3: Cross multiply
   79,123.50x = 105,694.88 × 105,694.88
4. Step 4: Simplify right side
   79,123.50x = 11,171,406,601.27
5. Step 5: Solve for x
   x = 11,171,406,601.27/79,123.50
6. Step 6: Final answer
   x = 141,189.49