Finding the Third Proportional to 143,700 and 309,014

Step by Step Solution

1. Step 1: Write the proportion equation
   143,700 : 309,014 = 309,014 : x
2. Step 2: Convert to fraction form
   143,700/309,014 = 309,014/x
3. Step 3: Cross multiply
   143,700x = 309,014 × 309,014
4. Step 4: Simplify right side
   143,700x = 95,489,652,196
5. Step 5: Solve for x
   x = 95,489,652,196/143,700
6. Step 6: Final answer
   x = 664,506.97