Finding the Third Proportional to 1,249,680 and 2,587,974

Step by Step Solution

1. Step 1: Write the proportion equation
   1,249,680 : 2,587,974 = 2,587,974 : x
2. Step 2: Convert to fraction form
   1,249,680/2,587,974 = 2,587,974/x
3. Step 3: Cross multiply
   1,249,680x = 2,587,974 × 2,587,974
4. Step 4: Simplify right side
   1,249,680x = 6,697,609,424,676
5. Step 5: Solve for x
   x = 6,697,609,424,676/1,249,680
6. Step 6: Final answer
   x = 5,359,459.56