Finding the Third Proportional to 81,394.50 and 174,469.88

Step by Step Solution

1. Step 1: Write the proportion equation
   81,394.50 : 174,469.88 = 174,469.88 : x
2. Step 2: Convert to fraction form
   81,394.50/174,469.88 = 174,469.88/x
3. Step 3: Cross multiply
   81,394.50x = 174,469.88 × 174,469.88
4. Step 4: Simplify right side
   81,394.50x = 30,439,737,282.52
5. Step 5: Solve for x
   x = 30,439,737,282.52/81,394.50
6. Step 6: Final answer
   x = 373,977.82