Finding the Third Proportional to 1,587,648 and 2,381,760

Step by Step Solution

1. Step 1: Write the proportion equation
   1,587,648 : 2,381,760 = 2,381,760 : x
2. Step 2: Convert to fraction form
   1,587,648/2,381,760 = 2,381,760/x
3. Step 3: Cross multiply
   1,587,648x = 2,381,760 × 2,381,760
4. Step 4: Simplify right side
   1,587,648x = 5,672,780,697,600
5. Step 5: Solve for x
   x = 5,672,780,697,600/1,587,648
6. Step 6: Final answer
   x = 3,573,072.05