Finding the Third Proportional to 627,192 and 1,379,238

Step by Step Solution

1. Step 1: Write the proportion equation
   627,192 : 1,379,238 = 1,379,238 : x
2. Step 2: Convert to fraction form
   627,192/1,379,238 = 1,379,238/x
3. Step 3: Cross multiply
   627,192x = 1,379,238 × 1,379,238
4. Step 4: Simplify right side
   627,192x = 1,902,297,460,644
5. Step 5: Solve for x
   x = 1,902,297,460,644/627,192
6. Step 6: Final answer
   x = 3,033,038.46