Finding the Third Proportional to 18,521.63 and 28,722.56

Step by Step Solution

1. Step 1: Write the proportion equation
   18,521.63 : 28,722.56 = 28,722.56 : x
2. Step 2: Convert to fraction form
   18,521.63/28,722.56 = 28,722.56/x
3. Step 3: Cross multiply
   18,521.63x = 28,722.56 × 28,722.56
4. Step 4: Simplify right side
   18,521.63x = 824,985,596.57
5. Step 5: Solve for x
   x = 824,985,596.57/18,521.63
6. Step 6: Final answer
   x = 44,541.75