Finding the Third Proportional to 79,427.78 and 174,599.30

Step by Step Solution

1. Step 1: Write the proportion equation
   79,427.78 : 174,599.30 = 174,599.30 : x
2. Step 2: Convert to fraction form
   79,427.78/174,599.30 = 174,599.30/x
3. Step 3: Cross multiply
   79,427.78x = 174,599.30 × 174,599.30
4. Step 4: Simplify right side
   79,427.78x = 30,484,914,469.24
5. Step 5: Solve for x
   x = 30,484,914,469.24/79,427.78
6. Step 6: Final answer
   x = 383,806.72