Finding the Third Proportional to 3,699,418 and 5,811,378

Step by Step Solution

1. Step 1: Write the proportion equation
   3,699,418 : 5,811,378 = 5,811,378 : x
2. Step 2: Convert to fraction form
   3,699,418/5,811,378 = 5,811,378/x
3. Step 3: Cross multiply
   3,699,418x = 5,811,378 × 5,811,378
4. Step 4: Simplify right side
   3,699,418x = 33,772,114,258,884
5. Step 5: Solve for x
   x = 33,772,114,258,884/3,699,418
6. Step 6: Final answer
   x = 9,129,034.42