Finding the Third Proportional to 1,069,910 and 1,587,171

Step by Step Solution

1. Step 1: Write the proportion equation
   1,069,910 : 1,587,171 = 1,587,171 : x
2. Step 2: Convert to fraction form
   1,069,910/1,587,171 = 1,587,171/x
3. Step 3: Cross multiply
   1,069,910x = 1,587,171 × 1,587,171
4. Step 4: Simplify right side
   1,069,910x = 2,519,111,783,241
5. Step 5: Solve for x
   x = 2,519,111,783,241/1,069,910
6. Step 6: Final answer
   x = 2,354,508.12