Finding the Third Proportional to 79,308 and 174,392

Step by Step Solution

1. Step 1: Write the proportion equation
   79,308 : 174,392 = 174,392 : x
2. Step 2: Convert to fraction form
   79,308/174,392 = 174,392/x
3. Step 3: Cross multiply
   79,308x = 174,392 × 174,392
4. Step 4: Simplify right side
   79,308x = 30,412,569,664
5. Step 5: Solve for x
   x = 30,412,569,664/79,308
6. Step 6: Final answer
   x = 383,474.17