Finding the Third Proportional to 10,558.69 and 14,851.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,558.69 : 14,851.69 = 14,851.69 : x
2. Step 2: Convert to fraction form
   10,558.69/14,851.69 = 14,851.69/x
3. Step 3: Cross multiply
   10,558.69x = 14,851.69 × 14,851.69
4. Step 4: Simplify right side
   10,558.69x = 220,572,621.60
5. Step 5: Solve for x
   x = 220,572,621.60/10,558.69
6. Step 6: Final answer
   x = 20,890.16