Finding the Third Proportional to 80,488.48 and 174,805.17

Step by Step Solution

1. Step 1: Write the proportion equation
   80,488.48 : 174,805.17 = 174,805.17 : x
2. Step 2: Convert to fraction form
   80,488.48/174,805.17 = 174,805.17/x
3. Step 3: Cross multiply
   80,488.48x = 174,805.17 × 174,805.17
4. Step 4: Simplify right side
   80,488.48x = 30,556,848,114.25
5. Step 5: Solve for x
   x = 30,556,848,114.25/80,488.48
6. Step 6: Final answer
   x = 379,642.52