Finding the Third Proportional to 170,679 and 371,454.75

Step by Step Solution

1. Step 1: Write the proportion equation
   170,679 : 371,454.75 = 371,454.75 : x
2. Step 2: Convert to fraction form
   170,679/371,454.75 = 371,454.75/x
3. Step 3: Cross multiply
   170,679x = 371,454.75 × 371,454.75
4. Step 4: Simplify right side
   170,679x = 137,978,631,297.56
5. Step 5: Solve for x
   x = 137,978,631,297.56/170,679
6. Step 6: Final answer
   x = 808,410.12