Finding the Third Proportional to 5,579 and 12,191.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,579 : 12,191.50 = 12,191.50 : x
2. Step 2: Convert to fraction form
   5,579/12,191.50 = 12,191.50/x
3. Step 3: Cross multiply
   5,579x = 12,191.50 × 12,191.50
4. Step 4: Simplify right side
   5,579x = 148,632,672.25
5. Step 5: Solve for x
   x = 148,632,672.25/5,579
6. Step 6: Final answer
   x = 26,641.45