Finding the Third Proportional to 1,638,948 and 2,571,036

Step by Step Solution

1. Step 1: Write the proportion equation
   1,638,948 : 2,571,036 = 2,571,036 : x
2. Step 2: Convert to fraction form
   1,638,948/2,571,036 = 2,571,036/x
3. Step 3: Cross multiply
   1,638,948x = 2,571,036 × 2,571,036
4. Step 4: Simplify right side
   1,638,948x = 6,610,226,113,296
5. Step 5: Solve for x
   x = 6,610,226,113,296/1,638,948
6. Step 6: Final answer
   x = 4,033,212.84