Finding the Third Proportional to 372,546 and 809,911.50

Step by Step Solution

1. Step 1: Write the proportion equation
   372,546 : 809,911.50 = 809,911.50 : x
2. Step 2: Convert to fraction form
   372,546/809,911.50 = 809,911.50/x
3. Step 3: Cross multiply
   372,546x = 809,911.50 × 809,911.50
4. Step 4: Simplify right side
   372,546x = 655,956,637,832.25
5. Step 5: Solve for x
   x = 655,956,637,832.25/372,546
6. Step 6: Final answer
   x = 1,760,739.98