Finding the Third Proportional to 49,568.50 and 79,795.50

Step by Step Solution

1. Step 1: Write the proportion equation
   49,568.50 : 79,795.50 = 79,795.50 : x
2. Step 2: Convert to fraction form
   49,568.50/79,795.50 = 79,795.50/x
3. Step 3: Cross multiply
   49,568.50x = 79,795.50 × 79,795.50
4. Step 4: Simplify right side
   49,568.50x = 6,367,321,820.25
5. Step 5: Solve for x
   x = 6,367,321,820.25/49,568.50
6. Step 6: Final answer
   x = 128,455.00