Finding the Third Proportional to 334,138.50 and 788,508

Step by Step Solution

1. Step 1: Write the proportion equation
   334,138.50 : 788,508 = 788,508 : x
2. Step 2: Convert to fraction form
   334,138.50/788,508 = 788,508/x
3. Step 3: Cross multiply
   334,138.50x = 788,508 × 788,508
4. Step 4: Simplify right side
   334,138.50x = 621,744,866,064
5. Step 5: Solve for x
   x = 621,744,866,064/334,138.50
6. Step 6: Final answer
   x = 1,860,739.98