Finding the Third Proportional to 1,761.75 and 3,870.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,761.75 : 3,870.28 = 3,870.28 : x
2. Step 2: Convert to fraction form
   1,761.75/3,870.28 = 3,870.28/x
3. Step 3: Cross multiply
   1,761.75x = 3,870.28 × 3,870.28
4. Step 4: Simplify right side
   1,761.75x = 14,979,076.95
5. Step 5: Solve for x
   x = 14,979,076.95/1,761.75
6. Step 6: Final answer
   x = 8,502.39