Finding the Third Proportional to 1,709,860 and 2,668,308

Step by Step Solution

1. Step 1: Write the proportion equation
   1,709,860 : 2,668,308 = 2,668,308 : x
2. Step 2: Convert to fraction form
   1,709,860/2,668,308 = 2,668,308/x
3. Step 3: Cross multiply
   1,709,860x = 2,668,308 × 2,668,308
4. Step 4: Simplify right side
   1,709,860x = 7,119,867,582,864
5. Step 5: Solve for x
   x = 7,119,867,582,864/1,709,860
6. Step 6: Final answer
   x = 4,164,006.17