Finding the Third Proportional to 21,500 and 46,178

Step by Step Solution

1. Step 1: Write the proportion equation
   21,500 : 46,178 = 46,178 : x
2. Step 2: Convert to fraction form
   21,500/46,178 = 46,178/x
3. Step 3: Cross multiply
   21,500x = 46,178 × 46,178
4. Step 4: Simplify right side
   21,500x = 2,132,407,684
5. Step 5: Solve for x
   x = 2,132,407,684/21,500
6. Step 6: Final answer
   x = 99,181.75