Finding the Third Proportional to 18,521.25 and 43,694.63

Step by Step Solution

1. Step 1: Write the proportion equation
   18,521.25 : 43,694.63 = 43,694.63 : x
2. Step 2: Convert to fraction form
   18,521.25/43,694.63 = 43,694.63/x
3. Step 3: Cross multiply
   18,521.25x = 43,694.63 × 43,694.63
4. Step 4: Simplify right side
   18,521.25x = 1,909,220,253.89
5. Step 5: Solve for x
   x = 1,909,220,253.89/18,521.25
6. Step 6: Final answer
   x = 103,082.69