Finding the Third Proportional to 2,157.63 and 3,238.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,157.63 : 3,238.59 = 3,238.59 : x
2. Step 2: Convert to fraction form
   2,157.63/3,238.59 = 3,238.59/x
3. Step 3: Cross multiply
   2,157.63x = 3,238.59 × 3,238.59
4. Step 4: Simplify right side
   2,157.63x = 10,488,439.67
5. Step 5: Solve for x
   x = 10,488,439.67/2,157.63
6. Step 6: Final answer
   x = 4,861.08