Finding the Third Proportional to 3,780,814 and 8,296,454

Step by Step Solution

1. Step 1: Write the proportion equation
   3,780,814 : 8,296,454 = 8,296,454 : x
2. Step 2: Convert to fraction form
   3,780,814/8,296,454 = 8,296,454/x
3. Step 3: Cross multiply
   3,780,814x = 8,296,454 × 8,296,454
4. Step 4: Simplify right side
   3,780,814x = 68,831,148,974,116
5. Step 5: Solve for x
   x = 68,831,148,974,116/3,780,814
6. Step 6: Final answer
   x = 18,205,378.25