Finding the Third Proportional to 111,783 and 169,118

Step by Step Solution

1. Step 1: Write the proportion equation
   111,783 : 169,118 = 169,118 : x
2. Step 2: Convert to fraction form
   111,783/169,118 = 169,118/x
3. Step 3: Cross multiply
   111,783x = 169,118 × 169,118
4. Step 4: Simplify right side
   111,783x = 28,600,897,924
5. Step 5: Solve for x
   x = 28,600,897,924/111,783
6. Step 6: Final answer
   x = 255,860.89