Finding the Third Proportional to 5,691.50 and 12,354.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,691.50 : 12,354.50 = 12,354.50 : x
2. Step 2: Convert to fraction form
   5,691.50/12,354.50 = 12,354.50/x
3. Step 3: Cross multiply
   5,691.50x = 12,354.50 × 12,354.50
4. Step 4: Simplify right side
   5,691.50x = 152,633,670.25
5. Step 5: Solve for x
   x = 152,633,670.25/5,691.50
6. Step 6: Final answer
   x = 26,817.83