Finding the Third Proportional to 222,345 and 488,971.69

Step by Step Solution

1. Step 1: Write the proportion equation
   222,345 : 488,971.69 = 488,971.69 : x
2. Step 2: Convert to fraction form
   222,345/488,971.69 = 488,971.69/x
3. Step 3: Cross multiply
   222,345x = 488,971.69 × 488,971.69
4. Step 4: Simplify right side
   222,345x = 239,093,311,176.60
5. Step 5: Solve for x
   x = 239,093,311,176.60/222,345
6. Step 6: Final answer
   x = 1,075,325.78