Finding the Third Proportional to 4,066,116 and 5,420,742

Step by Step Solution

1. Step 1: Write the proportion equation
   4,066,116 : 5,420,742 = 5,420,742 : x
2. Step 2: Convert to fraction form
   4,066,116/5,420,742 = 5,420,742/x
3. Step 3: Cross multiply
   4,066,116x = 5,420,742 × 5,420,742
4. Step 4: Simplify right side
   4,066,116x = 29,384,443,830,564
5. Step 5: Solve for x
   x = 29,384,443,830,564/4,066,116
6. Step 6: Final answer
   x = 7,226,661.47