Finding the Third Proportional to 222,098 and 485,620

Step by Step Solution

1. Step 1: Write the proportion equation
   222,098 : 485,620 = 485,620 : x
2. Step 2: Convert to fraction form
   222,098/485,620 = 485,620/x
3. Step 3: Cross multiply
   222,098x = 485,620 × 485,620
4. Step 4: Simplify right side
   222,098x = 235,826,784,400
5. Step 5: Solve for x
   x = 235,826,784,400/222,098
6. Step 6: Final answer
   x = 1,061,814.08