Finding the Third Proportional to 3,212,438 and 5,165,984

Step by Step Solution

1. Step 1: Write the proportion equation
   3,212,438 : 5,165,984 = 5,165,984 : x
2. Step 2: Convert to fraction form
   3,212,438/5,165,984 = 5,165,984/x
3. Step 3: Cross multiply
   3,212,438x = 5,165,984 × 5,165,984
4. Step 4: Simplify right side
   3,212,438x = 26,687,390,688,256
5. Step 5: Solve for x
   x = 26,687,390,688,256/3,212,438
6. Step 6: Final answer
   x = 8,307,519.30