Finding the Third Proportional to 4,066,448 and 5,421,322

Step by Step Solution

1. Step 1: Write the proportion equation
   4,066,448 : 5,421,322 = 5,421,322 : x
2. Step 2: Convert to fraction form
   4,066,448/5,421,322 = 5,421,322/x
3. Step 3: Cross multiply
   4,066,448x = 5,421,322 × 5,421,322
4. Step 4: Simplify right side
   4,066,448x = 29,390,732,227,684
5. Step 5: Solve for x
   x = 29,390,732,227,684/4,066,448
6. Step 6: Final answer
   x = 7,227,617.87