Finding the Third Proportional to 1,345,400 and 1,998,924

Step by Step Solution

1. Step 1: Write the proportion equation
   1,345,400 : 1,998,924 = 1,998,924 : x
2. Step 2: Convert to fraction form
   1,345,400/1,998,924 = 1,998,924/x
3. Step 3: Cross multiply
   1,345,400x = 1,998,924 × 1,998,924
4. Step 4: Simplify right side
   1,345,400x = 3,995,697,157,776
5. Step 5: Solve for x
   x = 3,995,697,157,776/1,345,400
6. Step 6: Final answer
   x = 2,969,895.32