Finding the Third Proportional to 1,288,359 and 1,893,171

Step by Step Solution

1. Step 1: Write the proportion equation
   1,288,359 : 1,893,171 = 1,893,171 : x
2. Step 2: Convert to fraction form
   1,288,359/1,893,171 = 1,893,171/x
3. Step 3: Cross multiply
   1,288,359x = 1,893,171 × 1,893,171
4. Step 4: Simplify right side
   1,288,359x = 3,584,096,435,241
5. Step 5: Solve for x
   x = 3,584,096,435,241/1,288,359
6. Step 6: Final answer
   x = 2,781,908.18