Finding the Third Proportional to 627,136 and 1,379,132

Step by Step Solution

1. Step 1: Write the proportion equation
   627,136 : 1,379,132 = 1,379,132 : x
2. Step 2: Convert to fraction form
   627,136/1,379,132 = 1,379,132/x
3. Step 3: Cross multiply
   627,136x = 1,379,132 × 1,379,132
4. Step 4: Simplify right side
   627,136x = 1,902,005,073,424
5. Step 5: Solve for x
   x = 1,902,005,073,424/627,136
6. Step 6: Final answer
   x = 3,032,843.07