Finding the Third Proportional to 1,978,673 and 2,956,363

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978,673 : 2,956,363 = 2,956,363 : x
2. Step 2: Convert to fraction form
   1,978,673/2,956,363 = 2,956,363/x
3. Step 3: Cross multiply
   1,978,673x = 2,956,363 × 2,956,363
4. Step 4: Simplify right side
   1,978,673x = 8,740,082,187,769
5. Step 5: Solve for x
   x = 8,740,082,187,769/1,978,673
6. Step 6: Final answer
   x = 4,417,143.30