Finding the Third Proportional to 7,439.86 and 16,018.60

Step by Step Solution

1. Step 1: Write the proportion equation
   7,439.86 : 16,018.60 = 16,018.60 : x
2. Step 2: Convert to fraction form
   7,439.86/16,018.60 = 16,018.60/x
3. Step 3: Cross multiply
   7,439.86x = 16,018.60 × 16,018.60
4. Step 4: Simplify right side
   7,439.86x = 256,595,556.91
5. Step 5: Solve for x
   x = 256,595,556.91/7,439.86
6. Step 6: Final answer
   x = 34,489.31