Finding the Third Proportional to 1,345,200 and 1,998,636

Step by Step Solution

1. Step 1: Write the proportion equation
   1,345,200 : 1,998,636 = 1,998,636 : x
2. Step 2: Convert to fraction form
   1,345,200/1,998,636 = 1,998,636/x
3. Step 3: Cross multiply
   1,345,200x = 1,998,636 × 1,998,636
4. Step 4: Simplify right side
   1,345,200x = 3,994,545,860,496
5. Step 5: Solve for x
   x = 3,994,545,860,496/1,345,200
6. Step 6: Final answer
   x = 2,969,481.01