Finding the Third Proportional to 170,649 and 371,080.50

Step by Step Solution

1. Step 1: Write the proportion equation
   170,649 : 371,080.50 = 371,080.50 : x
2. Step 2: Convert to fraction form
   170,649/371,080.50 = 371,080.50/x
3. Step 3: Cross multiply
   170,649x = 371,080.50 × 371,080.50
4. Step 4: Simplify right side
   170,649x = 137,700,737,480.25
5. Step 5: Solve for x
   x = 137,700,737,480.25/170,649
6. Step 6: Final answer
   x = 806,923.79