Finding the Third Proportional to 141,697 and 309,746

Step by Step Solution

1. Step 1: Write the proportion equation
   141,697 : 309,746 = 309,746 : x
2. Step 2: Convert to fraction form
   141,697/309,746 = 309,746/x
3. Step 3: Cross multiply
   141,697x = 309,746 × 309,746
4. Step 4: Simplify right side
   141,697x = 95,942,584,516
5. Step 5: Solve for x
   x = 95,942,584,516/141,697
6. Step 6: Final answer
   x = 677,096.79