Finding the Third Proportional to 2,130.47 and 3,263.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,130.47 : 3,263.20 = 3,263.20 : x
2. Step 2: Convert to fraction form
   2,130.47/3,263.20 = 3,263.20/x
3. Step 3: Cross multiply
   2,130.47x = 3,263.20 × 3,263.20
4. Step 4: Simplify right side
   2,130.47x = 10,648,494.64
5. Step 5: Solve for x
   x = 10,648,494.64/2,130.47
6. Step 6: Final answer
   x = 4,998.19