Finding the Third Proportional to 2,700.21 and 3,628.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,700.21 : 3,628.86 = 3,628.86 : x
2. Step 2: Convert to fraction form
   2,700.21/3,628.86 = 3,628.86/x
3. Step 3: Cross multiply
   2,700.21x = 3,628.86 × 3,628.86
4. Step 4: Simplify right side
   2,700.21x = 13,168,648.71
5. Step 5: Solve for x
   x = 13,168,648.71/2,700.21
6. Step 6: Final answer
   x = 4,876.90