Finding the Third Proportional to 160,272 and 342,784

Step by Step Solution

1. Step 1: Write the proportion equation
   160,272 : 342,784 = 342,784 : x
2. Step 2: Convert to fraction form
   160,272/342,784 = 342,784/x
3. Step 3: Cross multiply
   160,272x = 342,784 × 342,784
4. Step 4: Simplify right side
   160,272x = 117,500,870,656
5. Step 5: Solve for x
   x = 117,500,870,656/160,272
6. Step 6: Final answer
   x = 733,134.11