Finding the Third Proportional to 1,239,876 and 1,915,058

Step by Step Solution

1. Step 1: Write the proportion equation
   1,239,876 : 1,915,058 = 1,915,058 : x
2. Step 2: Convert to fraction form
   1,239,876/1,915,058 = 1,915,058/x
3. Step 3: Cross multiply
   1,239,876x = 1,915,058 × 1,915,058
4. Step 4: Simplify right side
   1,239,876x = 3,667,447,143,364
5. Step 5: Solve for x
   x = 3,667,447,143,364/1,239,876
6. Step 6: Final answer
   x = 2,957,914.46