Finding the Third Proportional to 12,889.50 and 28,269

Step by Step Solution

1. Step 1: Write the proportion equation
   12,889.50 : 28,269 = 28,269 : x
2. Step 2: Convert to fraction form
   12,889.50/28,269 = 28,269/x
3. Step 3: Cross multiply
   12,889.50x = 28,269 × 28,269
4. Step 4: Simplify right side
   12,889.50x = 799,136,361
5. Step 5: Solve for x
   x = 799,136,361/12,889.50
6. Step 6: Final answer
   x = 61,999.02