Finding the Third Proportional to 9,619.31 and 14,429.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,619.31 : 14,429.25 = 14,429.25 : x
2. Step 2: Convert to fraction form
   9,619.31/14,429.25 = 14,429.25/x
3. Step 3: Cross multiply
   9,619.31x = 14,429.25 × 14,429.25
4. Step 4: Simplify right side
   9,619.31x = 208,203,255.56
5. Step 5: Solve for x
   x = 208,203,255.56/9,619.31
6. Step 6: Final answer
   x = 21,644.30