Finding the Third Proportional to 103,691 and 222,070

Step by Step Solution

1. Step 1: Write the proportion equation
   103,691 : 222,070 = 222,070 : x
2. Step 2: Convert to fraction form
   103,691/222,070 = 222,070/x
3. Step 3: Cross multiply
   103,691x = 222,070 × 222,070
4. Step 4: Simplify right side
   103,691x = 49,315,084,900
5. Step 5: Solve for x
   x = 49,315,084,900/103,691
6. Step 6: Final answer
   x = 475,596.58