Finding the Third Proportional to 789,620 and 1,736,668

Step by Step Solution

1. Step 1: Write the proportion equation
   789,620 : 1,736,668 = 1,736,668 : x
2. Step 2: Convert to fraction form
   789,620/1,736,668 = 1,736,668/x
3. Step 3: Cross multiply
   789,620x = 1,736,668 × 1,736,668
4. Step 4: Simplify right side
   789,620x = 3,016,015,742,224
5. Step 5: Solve for x
   x = 3,016,015,742,224/789,620
6. Step 6: Final answer
   x = 3,819,578.71