Finding the Third Proportional to 222,100 and 485,624

Step by Step Solution

1. Step 1: Write the proportion equation
   222,100 : 485,624 = 485,624 : x
2. Step 2: Convert to fraction form
   222,100/485,624 = 485,624/x
3. Step 3: Cross multiply
   222,100x = 485,624 × 485,624
4. Step 4: Simplify right side
   222,100x = 235,830,669,376
5. Step 5: Solve for x
   x = 235,830,669,376/222,100
6. Step 6: Final answer
   x = 1,061,822.01