Finding the Third Proportional to 30,731.91 and 49,268.25

Step by Step Solution

1. Step 1: Write the proportion equation
   30,731.91 : 49,268.25 = 49,268.25 : x
2. Step 2: Convert to fraction form
   30,731.91/49,268.25 = 49,268.25/x
3. Step 3: Cross multiply
   30,731.91x = 49,268.25 × 49,268.25
4. Step 4: Simplify right side
   30,731.91x = 2,427,360,458.06
5. Step 5: Solve for x
   x = 2,427,360,458.06/30,731.91
6. Step 6: Final answer
   x = 78,985.03