Finding the Third Proportional to 79,405.31 and 174,798

Step by Step Solution

1. Step 1: Write the proportion equation
   79,405.31 : 174,798 = 174,798 : x
2. Step 2: Convert to fraction form
   79,405.31/174,798 = 174,798/x
3. Step 3: Cross multiply
   79,405.31x = 174,798 × 174,798
4. Step 4: Simplify right side
   79,405.31x = 30,554,340,804
5. Step 5: Solve for x
   x = 30,554,340,804/79,405.31
6. Step 6: Final answer
   x = 384,789.63