Finding the Third Proportional to 1,345,379 and 2,085,318

Step by Step Solution

1. Step 1: Write the proportion equation
   1,345,379 : 2,085,318 = 2,085,318 : x
2. Step 2: Convert to fraction form
   1,345,379/2,085,318 = 2,085,318/x
3. Step 3: Cross multiply
   1,345,379x = 2,085,318 × 2,085,318
4. Step 4: Simplify right side
   1,345,379x = 4,348,551,161,124
5. Step 5: Solve for x
   x = 4,348,551,161,124/1,345,379
6. Step 6: Final answer
   x = 3,232,212.75