Finding the Third Proportional to 789,288 and 1,711,632

Step by Step Solution

1. Step 1: Write the proportion equation
   789,288 : 1,711,632 = 1,711,632 : x
2. Step 2: Convert to fraction form
   789,288/1,711,632 = 1,711,632/x
3. Step 3: Cross multiply
   789,288x = 1,711,632 × 1,711,632
4. Step 4: Simplify right side
   789,288x = 2,929,684,103,424
5. Step 5: Solve for x
   x = 2,929,684,103,424/789,288
6. Step 6: Final answer
   x = 3,711,806.21