Finding the Third Proportional to 143,164 and 304,820

Step by Step Solution

1. Step 1: Write the proportion equation
   143,164 : 304,820 = 304,820 : x
2. Step 2: Convert to fraction form
   143,164/304,820 = 304,820/x
3. Step 3: Cross multiply
   143,164x = 304,820 × 304,820
4. Step 4: Simplify right side
   143,164x = 92,915,232,400
5. Step 5: Solve for x
   x = 92,915,232,400/143,164
6. Step 6: Final answer
   x = 649,012.55