Finding the Third Proportional to 4,899 and 12,847.50

Step by Step Solution

1. Step 1: Write the proportion equation
   4,899 : 12,847.50 = 12,847.50 : x
2. Step 2: Convert to fraction form
   4,899/12,847.50 = 12,847.50/x
3. Step 3: Cross multiply
   4,899x = 12,847.50 × 12,847.50
4. Step 4: Simplify right side
   4,899x = 165,058,256.25
5. Step 5: Solve for x
   x = 165,058,256.25/4,899
6. Step 6: Final answer
   x = 33,692.23