Finding the Third Proportional to 3,740,400 and 8,078,670

Step by Step Solution

1. Step 1: Write the proportion equation
   3,740,400 : 8,078,670 = 8,078,670 : x
2. Step 2: Convert to fraction form
   3,740,400/8,078,670 = 8,078,670/x
3. Step 3: Cross multiply
   3,740,400x = 8,078,670 × 8,078,670
4. Step 4: Simplify right side
   3,740,400x = 65,264,908,968,900
5. Step 5: Solve for x
   x = 65,264,908,968,900/3,740,400
6. Step 6: Final answer
   x = 17,448,644.25