Finding the Third Proportional to 1,379,467 and 2,153,019

Step by Step Solution

1. Step 1: Write the proportion equation
   1,379,467 : 2,153,019 = 2,153,019 : x
2. Step 2: Convert to fraction form
   1,379,467/2,153,019 = 2,153,019/x
3. Step 3: Cross multiply
   1,379,467x = 2,153,019 × 2,153,019
4. Step 4: Simplify right side
   1,379,467x = 4,635,490,814,361
5. Step 5: Solve for x
   x = 4,635,490,814,361/1,379,467
6. Step 6: Final answer
   x = 3,360,349.19