Finding the Third Proportional to 350,514 and 525,190.50

Step by Step Solution

1. Step 1: Write the proportion equation
   350,514 : 525,190.50 = 525,190.50 : x
2. Step 2: Convert to fraction form
   350,514/525,190.50 = 525,190.50/x
3. Step 3: Cross multiply
   350,514x = 525,190.50 × 525,190.50
4. Step 4: Simplify right side
   350,514x = 275,825,061,290.25
5. Step 5: Solve for x
   x = 275,825,061,290.25/350,514
6. Step 6: Final answer
   x = 786,915.96