Finding the Third Proportional to 1,118,454 and 1,778,769

Step by Step Solution

1. Step 1: Write the proportion equation
   1,118,454 : 1,778,769 = 1,778,769 : x
2. Step 2: Convert to fraction form
   1,118,454/1,778,769 = 1,778,769/x
3. Step 3: Cross multiply
   1,118,454x = 1,778,769 × 1,778,769
4. Step 4: Simplify right side
   1,118,454x = 3,164,019,155,361
5. Step 5: Solve for x
   x = 3,164,019,155,361/1,118,454
6. Step 6: Final answer
   x = 2,828,922.03