Finding the Third Proportional to 191,526 and 388,524

Step by Step Solution

1. Step 1: Write the proportion equation
   191,526 : 388,524 = 388,524 : x
2. Step 2: Convert to fraction form
   191,526/388,524 = 388,524/x
3. Step 3: Cross multiply
   191,526x = 388,524 × 388,524
4. Step 4: Simplify right side
   191,526x = 150,950,898,576
5. Step 5: Solve for x
   x = 150,950,898,576/191,526
6. Step 6: Final answer
   x = 788,148.34