Finding the Third Proportional to 334,819.50 and 790,231.50

Step by Step Solution

1. Step 1: Write the proportion equation
   334,819.50 : 790,231.50 = 790,231.50 : x
2. Step 2: Convert to fraction form
   334,819.50/790,231.50 = 790,231.50/x
3. Step 3: Cross multiply
   334,819.50x = 790,231.50 × 790,231.50
4. Step 4: Simplify right side
   334,819.50x = 624,465,823,592.25
5. Step 5: Solve for x
   x = 624,465,823,592.25/334,819.50
6. Step 6: Final answer
   x = 1,865,082.00