Finding the Third Proportional to 1,773,780 and 3,890,910

Step by Step Solution

1. Step 1: Write the proportion equation
   1,773,780 : 3,890,910 = 3,890,910 : x
2. Step 2: Convert to fraction form
   1,773,780/3,890,910 = 3,890,910/x
3. Step 3: Cross multiply
   1,773,780x = 3,890,910 × 3,890,910
4. Step 4: Simplify right side
   1,773,780x = 15,139,180,628,100
5. Step 5: Solve for x
   x = 15,139,180,628,100/1,773,780
6. Step 6: Final answer
   x = 8,534,982.14