Finding the Third Proportional to 158,159.25 and 345,816

Step by Step Solution

1. Step 1: Write the proportion equation
   158,159.25 : 345,816 = 345,816 : x
2. Step 2: Convert to fraction form
   158,159.25/345,816 = 345,816/x
3. Step 3: Cross multiply
   158,159.25x = 345,816 × 345,816
4. Step 4: Simplify right side
   158,159.25x = 119,588,705,856
5. Step 5: Solve for x
   x = 119,588,705,856/158,159.25
6. Step 6: Final answer
   x = 756,128.43