Finding the Third Proportional to 172,908 and 375,336

Step by Step Solution

1. Step 1: Write the proportion equation
   172,908 : 375,336 = 375,336 : x
2. Step 2: Convert to fraction form
   172,908/375,336 = 375,336/x
3. Step 3: Cross multiply
   172,908x = 375,336 × 375,336
4. Step 4: Simplify right side
   172,908x = 140,877,112,896
5. Step 5: Solve for x
   x = 140,877,112,896/172,908
6. Step 6: Final answer
   x = 814,751.85