Finding the Third Proportional to 10,106.50 and 20,713

Step by Step Solution

1. Step 1: Write the proportion equation
   10,106.50 : 20,713 = 20,713 : x
2. Step 2: Convert to fraction form
   10,106.50/20,713 = 20,713/x
3. Step 3: Cross multiply
   10,106.50x = 20,713 × 20,713
4. Step 4: Simplify right side
   10,106.50x = 429,028,369
5. Step 5: Solve for x
   x = 429,028,369/10,106.50
6. Step 6: Final answer
   x = 42,450.74