Finding the Third Proportional to 3,780,796 and 8,296,428

Step by Step Solution

1. Step 1: Write the proportion equation
   3,780,796 : 8,296,428 = 8,296,428 : x
2. Step 2: Convert to fraction form
   3,780,796/8,296,428 = 8,296,428/x
3. Step 3: Cross multiply
   3,780,796x = 8,296,428 × 8,296,428
4. Step 4: Simplify right side
   3,780,796x = 68,830,717,559,184
5. Step 5: Solve for x
   x = 68,830,717,559,184/3,780,796
6. Step 6: Final answer
   x = 18,205,350.82