Finding the Third Proportional to 79,400.50 and 174,354.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,400.50 : 174,354.50 = 174,354.50 : x
2. Step 2: Convert to fraction form
   79,400.50/174,354.50 = 174,354.50/x
3. Step 3: Cross multiply
   79,400.50x = 174,354.50 × 174,354.50
4. Step 4: Simplify right side
   79,400.50x = 30,399,491,670.25
5. Step 5: Solve for x
   x = 30,399,491,670.25/79,400.50
6. Step 6: Final answer
   x = 382,862.72