Finding the Third Proportional to 3,809,410 and 8,135,453

Step by Step Solution

1. Step 1: Write the proportion equation
   3,809,410 : 8,135,453 = 8,135,453 : x
2. Step 2: Convert to fraction form
   3,809,410/8,135,453 = 8,135,453/x
3. Step 3: Cross multiply
   3,809,410x = 8,135,453 × 8,135,453
4. Step 4: Simplify right side
   3,809,410x = 66,185,595,515,209
5. Step 5: Solve for x
   x = 66,185,595,515,209/3,809,410
6. Step 6: Final answer
   x = 17,374,237.88