Finding the Third Proportional to 863,680 and 1,897,408

Step by Step Solution

1. Step 1: Write the proportion equation
   863,680 : 1,897,408 = 1,897,408 : x
2. Step 2: Convert to fraction form
   863,680/1,897,408 = 1,897,408/x
3. Step 3: Cross multiply
   863,680x = 1,897,408 × 1,897,408
4. Step 4: Simplify right side
   863,680x = 3,600,157,118,464
5. Step 5: Solve for x
   x = 3,600,157,118,464/863,680
6. Step 6: Final answer
   x = 4,168,392.37