Finding the Third Proportional to 1,177,578 and 1,867,679

Step by Step Solution

1. Step 1: Write the proportion equation
   1,177,578 : 1,867,679 = 1,867,679 : x
2. Step 2: Convert to fraction form
   1,177,578/1,867,679 = 1,867,679/x
3. Step 3: Cross multiply
   1,177,578x = 1,867,679 × 1,867,679
4. Step 4: Simplify right side
   1,177,578x = 3,488,224,847,041
5. Step 5: Solve for x
   x = 3,488,224,847,041/1,177,578
6. Step 6: Final answer
   x = 2,962,202.80