Finding the Third Proportional to 40,217 and 59,155

Step by Step Solution

1. Step 1: Write the proportion equation
   40,217 : 59,155 = 59,155 : x
2. Step 2: Convert to fraction form
   40,217/59,155 = 59,155/x
3. Step 3: Cross multiply
   40,217x = 59,155 × 59,155
4. Step 4: Simplify right side
   40,217x = 3,499,314,025
5. Step 5: Solve for x
   x = 3,499,314,025/40,217
6. Step 6: Final answer
   x = 87,010.82