Finding the Third Proportional to 16,503 and 21,883.50

Step by Step Solution

1. Step 1: Write the proportion equation
   16,503 : 21,883.50 = 21,883.50 : x
2. Step 2: Convert to fraction form
   16,503/21,883.50 = 21,883.50/x
3. Step 3: Cross multiply
   16,503x = 21,883.50 × 21,883.50
4. Step 4: Simplify right side
   16,503x = 478,887,572.25
5. Step 5: Solve for x
   x = 478,887,572.25/16,503
6. Step 6: Final answer
   x = 29,018.21