Finding the Third Proportional to 8,347 and 12,494.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,347 : 12,494.50 = 12,494.50 : x
2. Step 2: Convert to fraction form
   8,347/12,494.50 = 12,494.50/x
3. Step 3: Cross multiply
   8,347x = 12,494.50 × 12,494.50
4. Step 4: Simplify right side
   8,347x = 156,112,530.25
5. Step 5: Solve for x
   x = 156,112,530.25/8,347
6. Step 6: Final answer
   x = 18,702.83