Finding the Third Proportional to 161,698.50 and 340,152

Step by Step Solution

1. Step 1: Write the proportion equation
   161,698.50 : 340,152 = 340,152 : x
2. Step 2: Convert to fraction form
   161,698.50/340,152 = 340,152/x
3. Step 3: Cross multiply
   161,698.50x = 340,152 × 340,152
4. Step 4: Simplify right side
   161,698.50x = 115,703,383,104
5. Step 5: Solve for x
   x = 115,703,383,104/161,698.50
6. Step 6: Final answer
   x = 715,550.13