Finding the Third Proportional to 21,126 and 45,901

Step by Step Solution

1. Step 1: Write the proportion equation
   21,126 : 45,901 = 45,901 : x
2. Step 2: Convert to fraction form
   21,126/45,901 = 45,901/x
3. Step 3: Cross multiply
   21,126x = 45,901 × 45,901
4. Step 4: Simplify right side
   21,126x = 2,106,901,801
5. Step 5: Solve for x
   x = 2,106,901,801/21,126
6. Step 6: Final answer
   x = 99,730.28