Finding the Third Proportional to 49,369.50 and 79,508.25

Step by Step Solution

1. Step 1: Write the proportion equation
   49,369.50 : 79,508.25 = 79,508.25 : x
2. Step 2: Convert to fraction form
   49,369.50/79,508.25 = 79,508.25/x
3. Step 3: Cross multiply
   49,369.50x = 79,508.25 × 79,508.25
4. Step 4: Simplify right side
   49,369.50x = 6,321,561,818.06
5. Step 5: Solve for x
   x = 6,321,561,818.06/49,369.50
6. Step 6: Final answer
   x = 128,045.90