Finding the Third Proportional to 2,181,315 and 4,563,078

Step by Step Solution

1. Step 1: Write the proportion equation
   2,181,315 : 4,563,078 = 4,563,078 : x
2. Step 2: Convert to fraction form
   2,181,315/4,563,078 = 4,563,078/x
3. Step 3: Cross multiply
   2,181,315x = 4,563,078 × 4,563,078
4. Step 4: Simplify right side
   2,181,315x = 20,821,680,834,084
5. Step 5: Solve for x
   x = 20,821,680,834,084/2,181,315
6. Step 6: Final answer
   x = 9,545,471.81