Finding the Third Proportional to 222,374 and 490,108

Step by Step Solution

1. Step 1: Write the proportion equation
   222,374 : 490,108 = 490,108 : x
2. Step 2: Convert to fraction form
   222,374/490,108 = 490,108/x
3. Step 3: Cross multiply
   222,374x = 490,108 × 490,108
4. Step 4: Simplify right side
   222,374x = 240,205,851,664
5. Step 5: Solve for x
   x = 240,205,851,664/222,374
6. Step 6: Final answer
   x = 1,080,188.56