Finding the Third Proportional to 1,978,670 and 2,956,359

Step by Step Solution

1. Step 1: Write the proportion equation
   1,978,670 : 2,956,359 = 2,956,359 : x
2. Step 2: Convert to fraction form
   1,978,670/2,956,359 = 2,956,359/x
3. Step 3: Cross multiply
   1,978,670x = 2,956,359 × 2,956,359
4. Step 4: Simplify right side
   1,978,670x = 8,740,058,536,881
5. Step 5: Solve for x
   x = 8,740,058,536,881/1,978,670
6. Step 6: Final answer
   x = 4,417,138.05