Finding the Third Proportional to 1,399,624 and 2,099,072

Step by Step Solution

1. Step 1: Write the proportion equation
   1,399,624 : 2,099,072 = 2,099,072 : x
2. Step 2: Convert to fraction form
   1,399,624/2,099,072 = 2,099,072/x
3. Step 3: Cross multiply
   1,399,624x = 2,099,072 × 2,099,072
4. Step 4: Simplify right side
   1,399,624x = 4,406,103,261,184
5. Step 5: Solve for x
   x = 4,406,103,261,184/1,399,624
6. Step 6: Final answer
   x = 3,148,062.09