Finding the Third Proportional to 222,510 and 493,065

Step by Step Solution

1. Step 1: Write the proportion equation
   222,510 : 493,065 = 493,065 : x
2. Step 2: Convert to fraction form
   222,510/493,065 = 493,065/x
3. Step 3: Cross multiply
   222,510x = 493,065 × 493,065
4. Step 4: Simplify right side
   222,510x = 243,113,094,225
5. Step 5: Solve for x
   x = 243,113,094,225/222,510
6. Step 6: Final answer
   x = 1,092,594.01