Finding the Third Proportional to 3,780,785 and 8,296,402

Step by Step Solution

1. Step 1: Write the proportion equation
   3,780,785 : 8,296,402 = 8,296,402 : x
2. Step 2: Convert to fraction form
   3,780,785/8,296,402 = 8,296,402/x
3. Step 3: Cross multiply
   3,780,785x = 8,296,402 × 8,296,402
4. Step 4: Simplify right side
   3,780,785x = 68,830,286,145,604
5. Step 5: Solve for x
   x = 68,830,286,145,604/3,780,785
6. Step 6: Final answer
   x = 18,205,289.68