Finding the Third Proportional to 3,786,056 and 8,214,280

Step by Step Solution

1. Step 1: Write the proportion equation
   3,786,056 : 8,214,280 = 8,214,280 : x
2. Step 2: Convert to fraction form
   3,786,056/8,214,280 = 8,214,280/x
3. Step 3: Cross multiply
   3,786,056x = 8,214,280 × 8,214,280
4. Step 4: Simplify right side
   3,786,056x = 67,474,395,918,400
5. Step 5: Solve for x
   x = 67,474,395,918,400/3,786,056
6. Step 6: Final answer
   x = 17,821,816.67