Finding the Third Proportional to 30,621.38 and 47,293.88

Step by Step Solution

1. Step 1: Write the proportion equation
   30,621.38 : 47,293.88 = 47,293.88 : x
2. Step 2: Convert to fraction form
   30,621.38/47,293.88 = 47,293.88/x
3. Step 3: Cross multiply
   30,621.38x = 47,293.88 × 47,293.88
4. Step 4: Simplify right side
   30,621.38x = 2,236,710,612.52
5. Step 5: Solve for x
   x = 2,236,710,612.52/30,621.38
6. Step 6: Final answer
   x = 73,044.09