Finding the Third Proportional to 170,260 and 366,499

Step by Step Solution

1. Step 1: Write the proportion equation
   170,260 : 366,499 = 366,499 : x
2. Step 2: Convert to fraction form
   170,260/366,499 = 366,499/x
3. Step 3: Cross multiply
   170,260x = 366,499 × 366,499
4. Step 4: Simplify right side
   170,260x = 134,321,517,001
5. Step 5: Solve for x
   x = 134,321,517,001/170,260
6. Step 6: Final answer
   x = 788,919.99