Finding the Third Proportional to 90,062 and 208,495

Step by Step Solution

1. Step 1: Write the proportion equation
   90,062 : 208,495 = 208,495 : x
2. Step 2: Convert to fraction form
   90,062/208,495 = 208,495/x
3. Step 3: Cross multiply
   90,062x = 208,495 × 208,495
4. Step 4: Simplify right side
   90,062x = 43,470,165,025
5. Step 5: Solve for x
   x = 43,470,165,025/90,062
6. Step 6: Final answer
   x = 482,669.33