Finding the Third Proportional to 3,376.69 and 5,111.63

Step by Step Solution

1. Step 1: Write the proportion equation
   3,376.69 : 5,111.63 = 5,111.63 : x
2. Step 2: Convert to fraction form
   3,376.69/5,111.63 = 5,111.63/x
3. Step 3: Cross multiply
   3,376.69x = 5,111.63 × 5,111.63
4. Step 4: Simplify right side
   3,376.69x = 26,128,710.14
5. Step 5: Solve for x
   x = 26,128,710.14/3,376.69
6. Step 6: Final answer
   x = 7,737.97