Finding the Third Proportional to 779,158 and 1,620,668

Step by Step Solution

1. Step 1: Write the proportion equation
   779,158 : 1,620,668 = 1,620,668 : x
2. Step 2: Convert to fraction form
   779,158/1,620,668 = 1,620,668/x
3. Step 3: Cross multiply
   779,158x = 1,620,668 × 1,620,668
4. Step 4: Simplify right side
   779,158x = 2,626,564,766,224
5. Step 5: Solve for x
   x = 2,626,564,766,224/779,158
6. Step 6: Final answer
   x = 3,371,029.71