Finding the Third Proportional to 191,547 and 388,562

Step by Step Solution

1. Step 1: Write the proportion equation
   191,547 : 388,562 = 388,562 : x
2. Step 2: Convert to fraction form
   191,547/388,562 = 388,562/x
3. Step 3: Cross multiply
   191,547x = 388,562 × 388,562
4. Step 4: Simplify right side
   191,547x = 150,980,427,844
5. Step 5: Solve for x
   x = 150,980,427,844/191,547
6. Step 6: Final answer
   x = 788,216.09