Finding the Third Proportional to 3,740,712 and 8,181,408

Step by Step Solution

1. Step 1: Write the proportion equation
   3,740,712 : 8,181,408 = 8,181,408 : x
2. Step 2: Convert to fraction form
   3,740,712/8,181,408 = 8,181,408/x
3. Step 3: Cross multiply
   3,740,712x = 8,181,408 × 8,181,408
4. Step 4: Simplify right side
   3,740,712x = 66,935,436,862,464
5. Step 5: Solve for x
   x = 66,935,436,862,464/3,740,712
6. Step 6: Final answer
   x = 17,893,769.12