Finding the Third Proportional to 18,685.69 and 28,962.56

Step by Step Solution

1. Step 1: Write the proportion equation
   18,685.69 : 28,962.56 = 28,962.56 : x
2. Step 2: Convert to fraction form
   18,685.69/28,962.56 = 28,962.56/x
3. Step 3: Cross multiply
   18,685.69x = 28,962.56 × 28,962.56
4. Step 4: Simplify right side
   18,685.69x = 838,830,026.57
5. Step 5: Solve for x
   x = 838,830,026.57/18,685.69
6. Step 6: Final answer
   x = 44,891.58