Finding the Third Proportional to 1,358,535 and 1,998,429

Step by Step Solution

1. Step 1: Write the proportion equation
   1,358,535 : 1,998,429 = 1,998,429 : x
2. Step 2: Convert to fraction form
   1,358,535/1,998,429 = 1,998,429/x
3. Step 3: Cross multiply
   1,358,535x = 1,998,429 × 1,998,429
4. Step 4: Simplify right side
   1,358,535x = 3,993,718,468,041
5. Step 5: Solve for x
   x = 3,993,718,468,041/1,358,535
6. Step 6: Final answer
   x = 2,939,724.39