Finding the Third Proportional to 370,705.50 and 809,370

Step by Step Solution

1. Step 1: Write the proportion equation
   370,705.50 : 809,370 = 809,370 : x
2. Step 2: Convert to fraction form
   370,705.50/809,370 = 809,370/x
3. Step 3: Cross multiply
   370,705.50x = 809,370 × 809,370
4. Step 4: Simplify right side
   370,705.50x = 655,079,796,900
5. Step 5: Solve for x
   x = 655,079,796,900/370,705.50
6. Step 6: Final answer
   x = 1,767,116.48