Finding the Third Proportional to 463,899 and 718,297.50

Step by Step Solution

1. Step 1: Write the proportion equation
   463,899 : 718,297.50 = 718,297.50 : x
2. Step 2: Convert to fraction form
   463,899/718,297.50 = 718,297.50/x
3. Step 3: Cross multiply
   463,899x = 718,297.50 × 718,297.50
4. Step 4: Simplify right side
   463,899x = 515,951,298,506.25
5. Step 5: Solve for x
   x = 515,951,298,506.25/463,899
6. Step 6: Final answer
   x = 1,112,206.10