Finding the Third Proportional to 1,778,588 and 2,663,001

Step by Step Solution

1. Step 1: Write the proportion equation
   1,778,588 : 2,663,001 = 2,663,001 : x
2. Step 2: Convert to fraction form
   1,778,588/2,663,001 = 2,663,001/x
3. Step 3: Cross multiply
   1,778,588x = 2,663,001 × 2,663,001
4. Step 4: Simplify right side
   1,778,588x = 7,091,574,326,001
5. Step 5: Solve for x
   x = 7,091,574,326,001/1,778,588
6. Step 6: Final answer
   x = 3,987,193.39