Finding the Third Proportional to 2,909,984 and 4,405,238

Step by Step Solution

1. Step 1: Write the proportion equation
   2,909,984 : 4,405,238 = 4,405,238 : x
2. Step 2: Convert to fraction form
   2,909,984/4,405,238 = 4,405,238/x
3. Step 3: Cross multiply
   2,909,984x = 4,405,238 × 4,405,238
4. Step 4: Simplify right side
   2,909,984x = 19,406,121,836,644
5. Step 5: Solve for x
   x = 19,406,121,836,644/2,909,984
6. Step 6: Final answer
   x = 6,668,807.06