Finding the Third Proportional to 79,420.50 and 174,636

Step by Step Solution

1. Step 1: Write the proportion equation
   79,420.50 : 174,636 = 174,636 : x
2. Step 2: Convert to fraction form
   79,420.50/174,636 = 174,636/x
3. Step 3: Cross multiply
   79,420.50x = 174,636 × 174,636
4. Step 4: Simplify right side
   79,420.50x = 30,497,732,496
5. Step 5: Solve for x
   x = 30,497,732,496/79,420.50
6. Step 6: Final answer
   x = 384,003.28