Finding the Third Proportional to 21,484 and 30,251

Step by Step Solution

1. Step 1: Write the proportion equation
   21,484 : 30,251 = 30,251 : x
2. Step 2: Convert to fraction form
   21,484/30,251 = 30,251/x
3. Step 3: Cross multiply
   21,484x = 30,251 × 30,251
4. Step 4: Simplify right side
   21,484x = 915,123,001
5. Step 5: Solve for x
   x = 915,123,001/21,484
6. Step 6: Final answer
   x = 42,595.56