Finding the Third Proportional to 1,797,122 and 3,909,172

Step by Step Solution

1. Step 1: Write the proportion equation
   1,797,122 : 3,909,172 = 3,909,172 : x
2. Step 2: Convert to fraction form
   1,797,122/3,909,172 = 3,909,172/x
3. Step 3: Cross multiply
   1,797,122x = 3,909,172 × 3,909,172
4. Step 4: Simplify right side
   1,797,122x = 15,281,625,725,584
5. Step 5: Solve for x
   x = 15,281,625,725,584/1,797,122
6. Step 6: Final answer
   x = 8,503,388.04