Finding the Third Proportional to 1,391,180 and 2,931,796

Step by Step Solution

1. Step 1: Write the proportion equation
   1,391,180 : 2,931,796 = 2,931,796 : x
2. Step 2: Convert to fraction form
   1,391,180/2,931,796 = 2,931,796/x
3. Step 3: Cross multiply
   1,391,180x = 2,931,796 × 2,931,796
4. Step 4: Simplify right side
   1,391,180x = 8,595,427,785,616
5. Step 5: Solve for x
   x = 8,595,427,785,616/1,391,180
6. Step 6: Final answer
   x = 6,178,515.93