Finding the Third Proportional to 179,462 and 388,642

Step by Step Solution

1. Step 1: Write the proportion equation
   179,462 : 388,642 = 388,642 : x
2. Step 2: Convert to fraction form
   179,462/388,642 = 388,642/x
3. Step 3: Cross multiply
   179,462x = 388,642 × 388,642
4. Step 4: Simplify right side
   179,462x = 151,042,604,164
5. Step 5: Solve for x
   x = 151,042,604,164/179,462
6. Step 6: Final answer
   x = 841,641.15