Finding the Third Proportional to 370,671.75 and 809,312

Step by Step Solution

1. Step 1: Write the proportion equation
   370,671.75 : 809,312 = 809,312 : x
2. Step 2: Convert to fraction form
   370,671.75/809,312 = 809,312/x
3. Step 3: Cross multiply
   370,671.75x = 809,312 × 809,312
4. Step 4: Simplify right side
   370,671.75x = 654,985,913,344
5. Step 5: Solve for x
   x = 654,985,913,344/370,671.75
6. Step 6: Final answer
   x = 1,767,024.09