Finding the Third Proportional to 1,767,965 and 3,859,780

Step by Step Solution

1. Step 1: Write the proportion equation
   1,767,965 : 3,859,780 = 3,859,780 : x
2. Step 2: Convert to fraction form
   1,767,965/3,859,780 = 3,859,780/x
3. Step 3: Cross multiply
   1,767,965x = 3,859,780 × 3,859,780
4. Step 4: Simplify right side
   1,767,965x = 14,897,901,648,400
5. Step 5: Solve for x
   x = 14,897,901,648,400/1,767,965
6. Step 6: Final answer
   x = 8,426,581.78