Finding the Third Proportional to 4,066,124 and 5,420,754

Step by Step Solution

1. Step 1: Write the proportion equation
   4,066,124 : 5,420,754 = 5,420,754 : x
2. Step 2: Convert to fraction form
   4,066,124/5,420,754 = 5,420,754/x
3. Step 3: Cross multiply
   4,066,124x = 5,420,754 × 5,420,754
4. Step 4: Simplify right side
   4,066,124x = 29,384,573,928,516
5. Step 5: Solve for x
   x = 29,384,573,928,516/4,066,124
6. Step 6: Final answer
   x = 7,226,679.25