Finding the Third Proportional to 143,870 and 293,452

Step by Step Solution

1. Step 1: Write the proportion equation
   143,870 : 293,452 = 293,452 : x
2. Step 2: Convert to fraction form
   143,870/293,452 = 293,452/x
3. Step 3: Cross multiply
   143,870x = 293,452 × 293,452
4. Step 4: Simplify right side
   143,870x = 86,114,076,304
5. Step 5: Solve for x
   x = 86,114,076,304/143,870
6. Step 6: Final answer
   x = 598,554.78