Finding the Third Proportional to 789,628 and 1,736,672

Step by Step Solution

1. Step 1: Write the proportion equation
   789,628 : 1,736,672 = 1,736,672 : x
2. Step 2: Convert to fraction form
   789,628/1,736,672 = 1,736,672/x
3. Step 3: Cross multiply
   789,628x = 1,736,672 × 1,736,672
4. Step 4: Simplify right side
   789,628x = 3,016,029,635,584
5. Step 5: Solve for x
   x = 3,016,029,635,584/789,628
6. Step 6: Final answer
   x = 3,819,557.61