Finding the Third Proportional to 141,796 and 309,350

Step by Step Solution

1. Step 1: Write the proportion equation
   141,796 : 309,350 = 309,350 : x
2. Step 2: Convert to fraction form
   141,796/309,350 = 309,350/x
3. Step 3: Cross multiply
   141,796x = 309,350 × 309,350
4. Step 4: Simplify right side
   141,796x = 95,697,422,500
5. Step 5: Solve for x
   x = 95,697,422,500/141,796
6. Step 6: Final answer
   x = 674,895.08