Finding the Third Proportional to 8,374,109 and 18,139,404

Step by Step Solution

1. Step 1: Write the proportion equation
   8,374,109 : 18,139,404 = 18,139,404 : x
2. Step 2: Convert to fraction form
   8,374,109/18,139,404 = 18,139,404/x
3. Step 3: Cross multiply
   8,374,109x = 18,139,404 × 18,139,404
4. Step 4: Simplify right side
   8,374,109x = 329,037,977,475,216
5. Step 5: Solve for x
   x = 329,037,977,475,216/8,374,109
6. Step 6: Final answer
   x = 39,292,296.94