Finding the Third Proportional to 81,567 and 143,118

Step by Step Solution

1. Step 1: Write the proportion equation
   81,567 : 143,118 = 143,118 : x
2. Step 2: Convert to fraction form
   81,567/143,118 = 143,118/x
3. Step 3: Cross multiply
   81,567x = 143,118 × 143,118
4. Step 4: Simplify right side
   81,567x = 20,482,761,924
5. Step 5: Solve for x
   x = 20,482,761,924/81,567
6. Step 6: Final answer
   x = 251,115.79