Finding the Third Proportional to 789,290 and 1,711,636

Step by Step Solution

1. Step 1: Write the proportion equation
   789,290 : 1,711,636 = 1,711,636 : x
2. Step 2: Convert to fraction form
   789,290/1,711,636 = 1,711,636/x
3. Step 3: Cross multiply
   789,290x = 1,711,636 × 1,711,636
4. Step 4: Simplify right side
   789,290x = 2,929,697,796,496
5. Step 5: Solve for x
   x = 2,929,697,796,496/789,290
6. Step 6: Final answer
   x = 3,711,814.16