Finding the Third Proportional to 21,424 and 45,800

Step by Step Solution

1. Step 1: Write the proportion equation
   21,424 : 45,800 = 45,800 : x
2. Step 2: Convert to fraction form
   21,424/45,800 = 45,800/x
3. Step 3: Cross multiply
   21,424x = 45,800 × 45,800
4. Step 4: Simplify right side
   21,424x = 2,097,640,000
5. Step 5: Solve for x
   x = 2,097,640,000/21,424
6. Step 6: Final answer
   x = 97,910.75