Finding the Third Proportional to 3,356 and 7,801.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,356 : 7,801.50 = 7,801.50 : x
2. Step 2: Convert to fraction form
   3,356/7,801.50 = 7,801.50/x
3. Step 3: Cross multiply
   3,356x = 7,801.50 × 7,801.50
4. Step 4: Simplify right side
   3,356x = 60,863,402.25
5. Step 5: Solve for x
   x = 60,863,402.25/3,356
6. Step 6: Final answer
   x = 18,135.70