Finding the Third Proportional to 1,858,254 and 3,939,798

Step by Step Solution

1. Step 1: Write the proportion equation
   1,858,254 : 3,939,798 = 3,939,798 : x
2. Step 2: Convert to fraction form
   1,858,254/3,939,798 = 3,939,798/x
3. Step 3: Cross multiply
   1,858,254x = 3,939,798 × 3,939,798
4. Step 4: Simplify right side
   1,858,254x = 15,522,008,280,804
5. Step 5: Solve for x
   x = 15,522,008,280,804/1,858,254
6. Step 6: Final answer
   x = 8,353,006.79