Finding the Third Proportional to 1,780,667 and 2,758,964

Step by Step Solution

1. Step 1: Write the proportion equation
   1,780,667 : 2,758,964 = 2,758,964 : x
2. Step 2: Convert to fraction form
   1,780,667/2,758,964 = 2,758,964/x
3. Step 3: Cross multiply
   1,780,667x = 2,758,964 × 2,758,964
4. Step 4: Simplify right side
   1,780,667x = 7,611,882,353,296
5. Step 5: Solve for x
   x = 7,611,882,353,296/1,780,667
6. Step 6: Final answer
   x = 4,274,736.58