Finding the Third Proportional to 304,986 and 471,820.50

Step by Step Solution

1. Step 1: Write the proportion equation
   304,986 : 471,820.50 = 471,820.50 : x
2. Step 2: Convert to fraction form
   304,986/471,820.50 = 471,820.50/x
3. Step 3: Cross multiply
   304,986x = 471,820.50 × 471,820.50
4. Step 4: Simplify right side
   304,986x = 222,614,584,220.25
5. Step 5: Solve for x
   x = 222,614,584,220.25/304,986
6. Step 6: Final answer
   x = 729,917.39