Finding the Third Proportional to 8,358.82 and 12,692.32

Step by Step Solution

1. Step 1: Write the proportion equation
   8,358.82 : 12,692.32 = 12,692.32 : x
2. Step 2: Convert to fraction form
   8,358.82/12,692.32 = 12,692.32/x
3. Step 3: Cross multiply
   8,358.82x = 12,692.32 × 12,692.32
4. Step 4: Simplify right side
   8,358.82x = 161,094,994.92
5. Step 5: Solve for x
   x = 161,094,994.92/8,358.82
6. Step 6: Final answer
   x = 19,272.46