Finding the Third Proportional to 161,060 and 342,864

Step by Step Solution

1. Step 1: Write the proportion equation
   161,060 : 342,864 = 342,864 : x
2. Step 2: Convert to fraction form
   161,060/342,864 = 342,864/x
3. Step 3: Cross multiply
   161,060x = 342,864 × 342,864
4. Step 4: Simplify right side
   161,060x = 117,555,722,496
5. Step 5: Solve for x
   x = 117,555,722,496/161,060
6. Step 6: Final answer
   x = 729,887.76