Finding the Third Proportional to 10,210.50 and 21,264.75

Step by Step Solution

1. Step 1: Write the proportion equation
   10,210.50 : 21,264.75 = 21,264.75 : x
2. Step 2: Convert to fraction form
   10,210.50/21,264.75 = 21,264.75/x
3. Step 3: Cross multiply
   10,210.50x = 21,264.75 × 21,264.75
4. Step 4: Simplify right side
   10,210.50x = 452,189,592.56
5. Step 5: Solve for x
   x = 452,189,592.56/10,210.50
6. Step 6: Final answer
   x = 44,286.72