Finding the Third Proportional to 3,775,490 and 8,214,436

Step by Step Solution

1. Step 1: Write the proportion equation
   3,775,490 : 8,214,436 = 8,214,436 : x
2. Step 2: Convert to fraction form
   3,775,490/8,214,436 = 8,214,436/x
3. Step 3: Cross multiply
   3,775,490x = 8,214,436 × 8,214,436
4. Step 4: Simplify right side
   3,775,490x = 67,476,958,798,096
5. Step 5: Solve for x
   x = 67,476,958,798,096/3,775,490
6. Step 6: Final answer
   x = 17,872,371.21