Finding the Third Proportional to 170,838 and 362,698.50

Step by Step Solution

1. Step 1: Write the proportion equation
   170,838 : 362,698.50 = 362,698.50 : x
2. Step 2: Convert to fraction form
   170,838/362,698.50 = 362,698.50/x
3. Step 3: Cross multiply
   170,838x = 362,698.50 × 362,698.50
4. Step 4: Simplify right side
   170,838x = 131,550,201,902.25
5. Step 5: Solve for x
   x = 131,550,201,902.25/170,838
6. Step 6: Final answer
   x = 770,028.93