Finding the Third Proportional to 510,189 and 796,297.50

Step by Step Solution

1. Step 1: Write the proportion equation
   510,189 : 796,297.50 = 796,297.50 : x
2. Step 2: Convert to fraction form
   510,189/796,297.50 = 796,297.50/x
3. Step 3: Cross multiply
   510,189x = 796,297.50 × 796,297.50
4. Step 4: Simplify right side
   510,189x = 634,089,708,506.25
5. Step 5: Solve for x
   x = 634,089,708,506.25/510,189
6. Step 6: Final answer
   x = 1,242,852.57