Finding the Third Proportional to 5,299,481 and 8,405,393

Step by Step Solution

1. Step 1: Write the proportion equation
   5,299,481 : 8,405,393 = 8,405,393 : x
2. Step 2: Convert to fraction form
   5,299,481/8,405,393 = 8,405,393/x
3. Step 3: Cross multiply
   5,299,481x = 8,405,393 × 8,405,393
4. Step 4: Simplify right side
   5,299,481x = 70,650,631,484,449
5. Step 5: Solve for x
   x = 70,650,631,484,449/5,299,481
6. Step 6: Final answer
   x = 13,331,613.32