Finding the Third Proportional to 141,435 and 309,114

Step by Step Solution

1. Step 1: Write the proportion equation
   141,435 : 309,114 = 309,114 : x
2. Step 2: Convert to fraction form
   141,435/309,114 = 309,114/x
3. Step 3: Cross multiply
   141,435x = 309,114 × 309,114
4. Step 4: Simplify right side
   141,435x = 95,551,464,996
5. Step 5: Solve for x
   x = 95,551,464,996/141,435
6. Step 6: Final answer
   x = 675,585.71