Finding the Third Proportional to 3,785,314 and 8,209,505

Step by Step Solution

1. Step 1: Write the proportion equation
   3,785,314 : 8,209,505 = 8,209,505 : x
2. Step 2: Convert to fraction form
   3,785,314/8,209,505 = 8,209,505/x
3. Step 3: Cross multiply
   3,785,314x = 8,209,505 × 8,209,505
4. Step 4: Simplify right side
   3,785,314x = 67,395,972,345,025
5. Step 5: Solve for x
   x = 67,395,972,345,025/3,785,314
6. Step 6: Final answer
   x = 17,804,592.26