Finding the Third Proportional to 10,069.50 and 21,434.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,069.50 : 21,434.25 = 21,434.25 : x
2. Step 2: Convert to fraction form
   10,069.50/21,434.25 = 21,434.25/x
3. Step 3: Cross multiply
   10,069.50x = 21,434.25 × 21,434.25
4. Step 4: Simplify right side
   10,069.50x = 459,427,073.06
5. Step 5: Solve for x
   x = 459,427,073.06/10,069.50
6. Step 6: Final answer
   x = 45,625.61