Finding the Third Proportional to 371,263.50 and 809,190

Step by Step Solution

1. Step 1: Write the proportion equation
   371,263.50 : 809,190 = 809,190 : x
2. Step 2: Convert to fraction form
   371,263.50/809,190 = 809,190/x
3. Step 3: Cross multiply
   371,263.50x = 809,190 × 809,190
4. Step 4: Simplify right side
   371,263.50x = 654,788,456,100
5. Step 5: Solve for x
   x = 654,788,456,100/371,263.50
6. Step 6: Final answer
   x = 1,763,675.82