Finding the Third Proportional to 21,817 and 45,253

Step by Step Solution

1. Step 1: Write the proportion equation
   21,817 : 45,253 = 45,253 : x
2. Step 2: Convert to fraction form
   21,817/45,253 = 45,253/x
3. Step 3: Cross multiply
   21,817x = 45,253 × 45,253
4. Step 4: Simplify right side
   21,817x = 2,047,834,009
5. Step 5: Solve for x
   x = 2,047,834,009/21,817
6. Step 6: Final answer
   x = 93,864.14