Finding the Third Proportional to 3,860,408 and 7,623,931

Step by Step Solution

1. Step 1: Write the proportion equation
   3,860,408 : 7,623,931 = 7,623,931 : x
2. Step 2: Convert to fraction form
   3,860,408/7,623,931 = 7,623,931/x
3. Step 3: Cross multiply
   3,860,408x = 7,623,931 × 7,623,931
4. Step 4: Simplify right side
   3,860,408x = 58,124,323,892,761
5. Step 5: Solve for x
   x = 58,124,323,892,761/3,860,408
6. Step 6: Final answer
   x = 15,056,523.53