Finding the Third Proportional to 8,374,111 and 18,139,408

Step by Step Solution

1. Step 1: Write the proportion equation
   8,374,111 : 18,139,408 = 18,139,408 : x
2. Step 2: Convert to fraction form
   8,374,111/18,139,408 = 18,139,408/x
3. Step 3: Cross multiply
   8,374,111x = 18,139,408 × 18,139,408
4. Step 4: Simplify right side
   8,374,111x = 329,038,122,590,464
5. Step 5: Solve for x
   x = 329,038,122,590,464/8,374,111
6. Step 6: Final answer
   x = 39,292,304.89