Finding the Third Proportional to 10,302.75 and 21,048.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,302.75 : 21,048.75 = 21,048.75 : x
2. Step 2: Convert to fraction form
   10,302.75/21,048.75 = 21,048.75/x
3. Step 3: Cross multiply
   10,302.75x = 21,048.75 × 21,048.75
4. Step 4: Simplify right side
   10,302.75x = 443,049,876.56
5. Step 5: Solve for x
   x = 443,049,876.56/10,302.75
6. Step 6: Final answer
   x = 43,003.07