Finding the Third Proportional to 5,238,576 and 7,877,361

Step by Step Solution

1. Step 1: Write the proportion equation
   5,238,576 : 7,877,361 = 7,877,361 : x
2. Step 2: Convert to fraction form
   5,238,576/7,877,361 = 7,877,361/x
3. Step 3: Cross multiply
   5,238,576x = 7,877,361 × 7,877,361
4. Step 4: Simplify right side
   5,238,576x = 62,052,816,324,321
5. Step 5: Solve for x
   x = 62,052,816,324,321/5,238,576
6. Step 6: Final answer
   x = 11,845,359.56