Finding the Third Proportional to 2,178,626 and 4,707,076

Step by Step Solution

1. Step 1: Write the proportion equation
   2,178,626 : 4,707,076 = 4,707,076 : x
2. Step 2: Convert to fraction form
   2,178,626/4,707,076 = 4,707,076/x
3. Step 3: Cross multiply
   2,178,626x = 4,707,076 × 4,707,076
4. Step 4: Simplify right side
   2,178,626x = 22,156,564,469,776
5. Step 5: Solve for x
   x = 22,156,564,469,776/2,178,626
6. Step 6: Final answer
   x = 10,169,971.56