Finding the Third Proportional to 28,243.69 and 62,683.88

Step by Step Solution

1. Step 1: Write the proportion equation
   28,243.69 : 62,683.88 = 62,683.88 : x
2. Step 2: Convert to fraction form
   28,243.69/62,683.88 = 62,683.88/x
3. Step 3: Cross multiply
   28,243.69x = 62,683.88 × 62,683.88
4. Step 4: Simplify right side
   28,243.69x = 3,929,268,185.02
5. Step 5: Solve for x
   x = 3,929,268,185.02/28,243.69
6. Step 6: Final answer
   x = 139,120.23