Finding the Third Proportional to 789,438 and 1,736,340

Step by Step Solution

1. Step 1: Write the proportion equation
   789,438 : 1,736,340 = 1,736,340 : x
2. Step 2: Convert to fraction form
   789,438/1,736,340 = 1,736,340/x
3. Step 3: Cross multiply
   789,438x = 1,736,340 × 1,736,340
4. Step 4: Simplify right side
   789,438x = 3,014,876,595,600
5. Step 5: Solve for x
   x = 3,014,876,595,600/789,438
6. Step 6: Final answer
   x = 3,819,016.31