Finding the Third Proportional to 141,452 and 309,148

Step by Step Solution

1. Step 1: Write the proportion equation
   141,452 : 309,148 = 309,148 : x
2. Step 2: Convert to fraction form
   141,452/309,148 = 309,148/x
3. Step 3: Cross multiply
   141,452x = 309,148 × 309,148
4. Step 4: Simplify right side
   141,452x = 95,572,485,904
5. Step 5: Solve for x
   x = 95,572,485,904/141,452
6. Step 6: Final answer
   x = 675,653.13