Finding the Third Proportional to 334,144 and 788,520

Step by Step Solution

1. Step 1: Write the proportion equation
   334,144 : 788,520 = 788,520 : x
2. Step 2: Convert to fraction form
   334,144/788,520 = 788,520/x
3. Step 3: Cross multiply
   334,144x = 788,520 × 788,520
4. Step 4: Simplify right side
   334,144x = 621,763,790,400
5. Step 5: Solve for x
   x = 621,763,790,400/334,144
6. Step 6: Final answer
   x = 1,860,765.99