Finding the Third Proportional to 314,395.50 and 681,958.88

Step by Step Solution

1. Step 1: Write the proportion equation
   314,395.50 : 681,958.88 = 681,958.88 : x
2. Step 2: Convert to fraction form
   314,395.50/681,958.88 = 681,958.88/x
3. Step 3: Cross multiply
   314,395.50x = 681,958.88 × 681,958.88
4. Step 4: Simplify right side
   314,395.50x = 465,067,907,191.27
5. Step 5: Solve for x
   x = 465,067,907,191.27/314,395.50
6. Step 6: Final answer
   x = 1,479,244.80