Finding the Third Proportional to 370,680.50 and 809,340

Step by Step Solution

1. Step 1: Write the proportion equation
   370,680.50 : 809,340 = 809,340 : x
2. Step 2: Convert to fraction form
   370,680.50/809,340 = 809,340/x
3. Step 3: Cross multiply
   370,680.50x = 809,340 × 809,340
4. Step 4: Simplify right side
   370,680.50x = 655,031,235,600
5. Step 5: Solve for x
   x = 655,031,235,600/370,680.50
6. Step 6: Final answer
   x = 1,767,104.65