Finding the Third Proportional to 191,535 and 388,541

Step by Step Solution

1. Step 1: Write the proportion equation
   191,535 : 388,541 = 388,541 : x
2. Step 2: Convert to fraction form
   191,535/388,541 = 388,541/x
3. Step 3: Cross multiply
   191,535x = 388,541 × 388,541
4. Step 4: Simplify right side
   191,535x = 150,964,108,681
5. Step 5: Solve for x
   x = 150,964,108,681/191,535
6. Step 6: Final answer
   x = 788,180.27