Finding the Third Proportional to 102,242 and 222,484

Step by Step Solution

1. Step 1: Write the proportion equation
   102,242 : 222,484 = 222,484 : x
2. Step 2: Convert to fraction form
   102,242/222,484 = 222,484/x
3. Step 3: Cross multiply
   102,242x = 222,484 × 222,484
4. Step 4: Simplify right side
   102,242x = 49,499,130,256
5. Step 5: Solve for x
   x = 49,499,130,256/102,242
6. Step 6: Final answer
   x = 484,136.95