Finding the Third Proportional to 21,817 and 46,550

Step by Step Solution

1. Step 1: Write the proportion equation
   21,817 : 46,550 = 46,550 : x
2. Step 2: Convert to fraction form
   21,817/46,550 = 46,550/x
3. Step 3: Cross multiply
   21,817x = 46,550 × 46,550
4. Step 4: Simplify right side
   21,817x = 2,166,902,500
5. Step 5: Solve for x
   x = 2,166,902,500/21,817
6. Step 6: Final answer
   x = 99,321.74