Finding the Third Proportional to 3,314,578 and 5,173,322

Step by Step Solution

1. Step 1: Write the proportion equation
   3,314,578 : 5,173,322 = 5,173,322 : x
2. Step 2: Convert to fraction form
   3,314,578/5,173,322 = 5,173,322/x
3. Step 3: Cross multiply
   3,314,578x = 5,173,322 × 5,173,322
4. Step 4: Simplify right side
   3,314,578x = 26,763,260,515,684
5. Step 5: Solve for x
   x = 26,763,260,515,684/3,314,578
6. Step 6: Final answer
   x = 8,074,409.63