Finding the Third Proportional to 160,738.17 and 343,619.72

Step by Step Solution

1. Step 1: Write the proportion equation
   160,738.17 : 343,619.72 = 343,619.72 : x
2. Step 2: Convert to fraction form
   160,738.17/343,619.72 = 343,619.72/x
3. Step 3: Cross multiply
   160,738.17x = 343,619.72 × 343,619.72
4. Step 4: Simplify right side
   160,738.17x = 118,074,511,113.83
5. Step 5: Solve for x
   x = 118,074,511,113.83/160,738.17
6. Step 6: Final answer
   x = 734,576.67