Finding the Third Proportional to 1,468.50 and 3,111

Step by Step Solution

1. Step 1: Write the proportion equation
   1,468.50 : 3,111 = 3,111 : x
2. Step 2: Convert to fraction form
   1,468.50/3,111 = 3,111/x
3. Step 3: Cross multiply
   1,468.50x = 3,111 × 3,111
4. Step 4: Simplify right side
   1,468.50x = 9,678,321
5. Step 5: Solve for x
   x = 9,678,321/1,468.50
6. Step 6: Final answer
   x = 6,590.62