Finding the Third Proportional to 222,064 and 488,412

Step by Step Solution

1. Step 1: Write the proportion equation
   222,064 : 488,412 = 488,412 : x
2. Step 2: Convert to fraction form
   222,064/488,412 = 488,412/x
3. Step 3: Cross multiply
   222,064x = 488,412 × 488,412
4. Step 4: Simplify right side
   222,064x = 238,546,281,744
5. Step 5: Solve for x
   x = 238,546,281,744/222,064
6. Step 6: Final answer
   x = 1,074,223.11