Finding the Third Proportional to 14,404.50 and 31,221

Step by Step Solution

1. Step 1: Write the proportion equation
   14,404.50 : 31,221 = 31,221 : x
2. Step 2: Convert to fraction form
   14,404.50/31,221 = 31,221/x
3. Step 3: Cross multiply
   14,404.50x = 31,221 × 31,221
4. Step 4: Simplify right side
   14,404.50x = 974,750,841
5. Step 5: Solve for x
   x = 974,750,841/14,404.50
6. Step 6: Final answer
   x = 67,669.88