Finding the Third Proportional to 43,317 and 90,039

Step by Step Solution

1. Step 1: Write the proportion equation
   43,317 : 90,039 = 90,039 : x
2. Step 2: Convert to fraction form
   43,317/90,039 = 90,039/x
3. Step 3: Cross multiply
   43,317x = 90,039 × 90,039
4. Step 4: Simplify right side
   43,317x = 8,107,021,521
5. Step 5: Solve for x
   x = 8,107,021,521/43,317
6. Step 6: Final answer
   x = 187,155.66