Finding the Third Proportional to 338,116.50 and 713,958

Step by Step Solution

1. Step 1: Write the proportion equation
   338,116.50 : 713,958 = 713,958 : x
2. Step 2: Convert to fraction form
   338,116.50/713,958 = 713,958/x
3. Step 3: Cross multiply
   338,116.50x = 713,958 × 713,958
4. Step 4: Simplify right side
   338,116.50x = 509,736,025,764
5. Step 5: Solve for x
   x = 509,736,025,764/338,116.50
6. Step 6: Final answer
   x = 1,507,575.13