Finding the Third Proportional to 3,145.50 and 4,719.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,145.50 : 4,719.38 = 4,719.38 : x
2. Step 2: Convert to fraction form
   3,145.50/4,719.38 = 4,719.38/x
3. Step 3: Cross multiply
   3,145.50x = 4,719.38 × 4,719.38
4. Step 4: Simplify right side
   3,145.50x = 22,272,500.39
5. Step 5: Solve for x
   x = 22,272,500.39/3,145.50
6. Step 6: Final answer
   x = 7,080.75