Finding the Third Proportional to 680,382 and 1,426,374

Step by Step Solution

1. Step 1: Write the proportion equation
   680,382 : 1,426,374 = 1,426,374 : x
2. Step 2: Convert to fraction form
   680,382/1,426,374 = 1,426,374/x
3. Step 3: Cross multiply
   680,382x = 1,426,374 × 1,426,374
4. Step 4: Simplify right side
   680,382x = 2,034,542,787,876
5. Step 5: Solve for x
   x = 2,034,542,787,876/680,382
6. Step 6: Final answer
   x = 2,990,294.85