Finding the Third Proportional to 3,213,684 and 4,406,670

Step by Step Solution

1. Step 1: Write the proportion equation
   3,213,684 : 4,406,670 = 4,406,670 : x
2. Step 2: Convert to fraction form
   3,213,684/4,406,670 = 4,406,670/x
3. Step 3: Cross multiply
   3,213,684x = 4,406,670 × 4,406,670
4. Step 4: Simplify right side
   3,213,684x = 19,418,740,488,900
5. Step 5: Solve for x
   x = 19,418,740,488,900/3,213,684
6. Step 6: Final answer
   x = 6,042,517.09