Finding the Third Proportional to 17,862 and 43,215

Step by Step Solution

1. Step 1: Write the proportion equation
   17,862 : 43,215 = 43,215 : x
2. Step 2: Convert to fraction form
   17,862/43,215 = 43,215/x
3. Step 3: Cross multiply
   17,862x = 43,215 × 43,215
4. Step 4: Simplify right side
   17,862x = 1,867,536,225
5. Step 5: Solve for x
   x = 1,867,536,225/17,862
6. Step 6: Final answer
   x = 104,553.59