Finding the Third Proportional to 1,382,438 and 1,976,889

Step by Step Solution

1. Step 1: Write the proportion equation
   1,382,438 : 1,976,889 = 1,976,889 : x
2. Step 2: Convert to fraction form
   1,382,438/1,976,889 = 1,976,889/x
3. Step 3: Cross multiply
   1,382,438x = 1,976,889 × 1,976,889
4. Step 4: Simplify right side
   1,382,438x = 3,908,090,118,321
5. Step 5: Solve for x
   x = 3,908,090,118,321/1,382,438
6. Step 6: Final answer
   x = 2,826,955.07