Finding the Third Proportional to 1,976.06 and 3,181.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,976.06 : 3,181.78 = 3,181.78 : x
2. Step 2: Convert to fraction form
   1,976.06/3,181.78 = 3,181.78/x
3. Step 3: Cross multiply
   1,976.06x = 3,181.78 × 3,181.78
4. Step 4: Simplify right side
   1,976.06x = 10,123,731.92
5. Step 5: Solve for x
   x = 10,123,731.92/1,976.06
6. Step 6: Final answer
   x = 5,123.18