Finding the Third Proportional to 5,387,794 and 8,365,037

Step by Step Solution

1. Step 1: Write the proportion equation
   5,387,794 : 8,365,037 = 8,365,037 : x
2. Step 2: Convert to fraction form
   5,387,794/8,365,037 = 8,365,037/x
3. Step 3: Cross multiply
   5,387,794x = 8,365,037 × 8,365,037
4. Step 4: Simplify right side
   5,387,794x = 69,973,844,011,369
5. Step 5: Solve for x
   x = 69,973,844,011,369/5,387,794
6. Step 6: Final answer
   x = 12,987,475.77