Finding the Third Proportional to 1,177,658 and 1,867,798

Step by Step Solution

1. Step 1: Write the proportion equation
   1,177,658 : 1,867,798 = 1,867,798 : x
2. Step 2: Convert to fraction form
   1,177,658/1,867,798 = 1,867,798/x
3. Step 3: Cross multiply
   1,177,658x = 1,867,798 × 1,867,798
4. Step 4: Simplify right side
   1,177,658x = 3,488,669,368,804
5. Step 5: Solve for x
   x = 3,488,669,368,804/1,177,658
6. Step 6: Final answer
   x = 2,962,379.03