Finding the Third Proportional to 19,916 and 28,789

Step by Step Solution

1. Step 1: Write the proportion equation
   19,916 : 28,789 = 28,789 : x
2. Step 2: Convert to fraction form
   19,916/28,789 = 28,789/x
3. Step 3: Cross multiply
   19,916x = 28,789 × 28,789
4. Step 4: Simplify right side
   19,916x = 828,806,521
5. Step 5: Solve for x
   x = 828,806,521/19,916
6. Step 6: Final answer
   x = 41,615.11