Finding the Third Proportional to 141,185 and 309,100

Step by Step Solution

1. Step 1: Write the proportion equation
   141,185 : 309,100 = 309,100 : x
2. Step 2: Convert to fraction form
   141,185/309,100 = 309,100/x
3. Step 3: Cross multiply
   141,185x = 309,100 × 309,100
4. Step 4: Simplify right side
   141,185x = 95,542,810,000
5. Step 5: Solve for x
   x = 95,542,810,000/141,185
6. Step 6: Final answer
   x = 676,720.69