Finding the Third Proportional to 3,145.50 and 4,743.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,145.50 : 4,743.56 = 4,743.56 : x
2. Step 2: Convert to fraction form
   3,145.50/4,743.56 = 4,743.56/x
3. Step 3: Cross multiply
   3,145.50x = 4,743.56 × 4,743.56
4. Step 4: Simplify right side
   3,145.50x = 22,501,385.19
5. Step 5: Solve for x
   x = 22,501,385.19/3,145.50
6. Step 6: Final answer
   x = 7,153.52