Finding the Third Proportional to 90,698 and 143,002

Step by Step Solution

1. Step 1: Write the proportion equation
   90,698 : 143,002 = 143,002 : x
2. Step 2: Convert to fraction form
   90,698/143,002 = 143,002/x
3. Step 3: Cross multiply
   90,698x = 143,002 × 143,002
4. Step 4: Simplify right side
   90,698x = 20,449,572,004
5. Step 5: Solve for x
   x = 20,449,572,004/90,698
6. Step 6: Final answer
   x = 225,468.83