Finding the Third Proportional to 1,865,850 and 3,897,408

Step by Step Solution

1. Step 1: Write the proportion equation
   1,865,850 : 3,897,408 = 3,897,408 : x
2. Step 2: Convert to fraction form
   1,865,850/3,897,408 = 3,897,408/x
3. Step 3: Cross multiply
   1,865,850x = 3,897,408 × 3,897,408
4. Step 4: Simplify right side
   1,865,850x = 15,189,789,118,464
5. Step 5: Solve for x
   x = 15,189,789,118,464/1,865,850
6. Step 6: Final answer
   x = 8,140,948.69