Finding the Third Proportional to 1,685,424 and 2,570,114

Step by Step Solution

1. Step 1: Write the proportion equation
   1,685,424 : 2,570,114 = 2,570,114 : x
2. Step 2: Convert to fraction form
   1,685,424/2,570,114 = 2,570,114/x
3. Step 3: Cross multiply
   1,685,424x = 2,570,114 × 2,570,114
4. Step 4: Simplify right side
   1,685,424x = 6,605,485,972,996
5. Step 5: Solve for x
   x = 6,605,485,972,996/1,685,424
6. Step 6: Final answer
   x = 3,919,183.52