Finding the Third Proportional to 1,180,668 and 1,866,591

Step by Step Solution

1. Step 1: Write the proportion equation
   1,180,668 : 1,866,591 = 1,866,591 : x
2. Step 2: Convert to fraction form
   1,180,668/1,866,591 = 1,866,591/x
3. Step 3: Cross multiply
   1,180,668x = 1,866,591 × 1,866,591
4. Step 4: Simplify right side
   1,180,668x = 3,484,161,961,281
5. Step 5: Solve for x
   x = 3,484,161,961,281/1,180,668
6. Step 6: Final answer
   x = 2,951,009.06