Finding the Third Proportional to 79,590.75 and 174,490.50

Step by Step Solution

1. Step 1: Write the proportion equation
   79,590.75 : 174,490.50 = 174,490.50 : x
2. Step 2: Convert to fraction form
   79,590.75/174,490.50 = 174,490.50/x
3. Step 3: Cross multiply
   79,590.75x = 174,490.50 × 174,490.50
4. Step 4: Simplify right side
   79,590.75x = 30,446,934,590.25
5. Step 5: Solve for x
   x = 30,446,934,590.25/79,590.75
6. Step 6: Final answer
   x = 382,543.63