Finding the Third Proportional to 79,299 and 105,718.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,299 : 105,718.50 = 105,718.50 : x
2. Step 2: Convert to fraction form
   79,299/105,718.50 = 105,718.50/x
3. Step 3: Cross multiply
   79,299x = 105,718.50 × 105,718.50
4. Step 4: Simplify right side
   79,299x = 11,176,401,242.25
5. Step 5: Solve for x
   x = 11,176,401,242.25/79,299
6. Step 6: Final answer
   x = 140,940.00