Finding the Third Proportional to 30,291.47 and 50,309.72

Step by Step Solution

1. Step 1: Write the proportion equation
   30,291.47 : 50,309.72 = 50,309.72 : x
2. Step 2: Convert to fraction form
   30,291.47/50,309.72 = 50,309.72/x
3. Step 3: Cross multiply
   30,291.47x = 50,309.72 × 50,309.72
4. Step 4: Simplify right side
   30,291.47x = 2,531,067,800.70
5. Step 5: Solve for x
   x = 2,531,067,800.70/30,291.47
6. Step 6: Final answer
   x = 83,557.12