Finding the Third Proportional to 2,159.75 and 4,473.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,159.75 : 4,473.25 = 4,473.25 : x
2. Step 2: Convert to fraction form
   2,159.75/4,473.25 = 4,473.25/x
3. Step 3: Cross multiply
   2,159.75x = 4,473.25 × 4,473.25
4. Step 4: Simplify right side
   2,159.75x = 20,009,965.56
5. Step 5: Solve for x
   x = 20,009,965.56/2,159.75
6. Step 6: Final answer
   x = 9,264.95