Finding the Third Proportional to 5,522.91 and 8,364.80

Step by Step Solution

1. Step 1: Write the proportion equation
   5,522.91 : 8,364.80 = 8,364.80 : x
2. Step 2: Convert to fraction form
   5,522.91/8,364.80 = 8,364.80/x
3. Step 3: Cross multiply
   5,522.91x = 8,364.80 × 8,364.80
4. Step 4: Simplify right side
   5,522.91x = 69,969,826.76
5. Step 5: Solve for x
   x = 69,969,826.76/5,522.91
6. Step 6: Final answer
   x = 12,669.02