Finding the Third Proportional to 21,003 and 29,442

Step by Step Solution

1. Step 1: Write the proportion equation
   21,003 : 29,442 = 29,442 : x
2. Step 2: Convert to fraction form
   21,003/29,442 = 29,442/x
3. Step 3: Cross multiply
   21,003x = 29,442 × 29,442
4. Step 4: Simplify right side
   21,003x = 866,831,364
5. Step 5: Solve for x
   x = 866,831,364/21,003
6. Step 6: Final answer
   x = 41,271.79