Finding the Third Proportional to 4,145.63 and 9,034.31

Step by Step Solution

1. Step 1: Write the proportion equation
   4,145.63 : 9,034.31 = 9,034.31 : x
2. Step 2: Convert to fraction form
   4,145.63/9,034.31 = 9,034.31/x
3. Step 3: Cross multiply
   4,145.63x = 9,034.31 × 9,034.31
4. Step 4: Simplify right side
   4,145.63x = 81,618,802.35
5. Step 5: Solve for x
   x = 81,618,802.35/4,145.63
6. Step 6: Final answer
   x = 19,687.94