Finding the Third Proportional to 171,366 and 371,892

Step by Step Solution

1. Step 1: Write the proportion equation
   171,366 : 371,892 = 371,892 : x
2. Step 2: Convert to fraction form
   171,366/371,892 = 371,892/x
3. Step 3: Cross multiply
   171,366x = 371,892 × 371,892
4. Step 4: Simplify right side
   171,366x = 138,303,659,664
5. Step 5: Solve for x
   x = 138,303,659,664/171,366
6. Step 6: Final answer
   x = 807,065.93