Finding the Third Proportional to 1,249,673 and 2,587,960

Step by Step Solution

1. Step 1: Write the proportion equation
   1,249,673 : 2,587,960 = 2,587,960 : x
2. Step 2: Convert to fraction form
   1,249,673/2,587,960 = 2,587,960/x
3. Step 3: Cross multiply
   1,249,673x = 2,587,960 × 2,587,960
4. Step 4: Simplify right side
   1,249,673x = 6,697,536,961,600
5. Step 5: Solve for x
   x = 6,697,536,961,600/1,249,673
6. Step 6: Final answer
   x = 5,359,431.60