Finding the Third Proportional to 191,548 and 388,564

Step by Step Solution

1. Step 1: Write the proportion equation
   191,548 : 388,564 = 388,564 : x
2. Step 2: Convert to fraction form
   191,548/388,564 = 388,564/x
3. Step 3: Cross multiply
   191,548x = 388,564 × 388,564
4. Step 4: Simplify right side
   191,548x = 150,981,982,096
5. Step 5: Solve for x
   x = 150,981,982,096/191,548
6. Step 6: Final answer
   x = 788,220.09