Finding the Third Proportional to 21,050 and 30,411

Step by Step Solution

1. Step 1: Write the proportion equation
   21,050 : 30,411 = 30,411 : x
2. Step 2: Convert to fraction form
   21,050/30,411 = 30,411/x
3. Step 3: Cross multiply
   21,050x = 30,411 × 30,411
4. Step 4: Simplify right side
   21,050x = 924,828,921
5. Step 5: Solve for x
   x = 924,828,921/21,050
6. Step 6: Final answer
   x = 43,934.87