Finding the Third Proportional to 4,703 and 10,031.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,703 : 10,031.50 = 10,031.50 : x
2. Step 2: Convert to fraction form
   4,703/10,031.50 = 10,031.50/x
3. Step 3: Cross multiply
   4,703x = 10,031.50 × 10,031.50
4. Step 4: Simplify right side
   4,703x = 100,630,992.25
5. Step 5: Solve for x
   x = 100,630,992.25/4,703
6. Step 6: Final answer
   x = 21,397.19