Finding the Third Proportional to 152,986.50 and 336,559.50

Step by Step Solution

1. Step 1: Write the proportion equation
   152,986.50 : 336,559.50 = 336,559.50 : x
2. Step 2: Convert to fraction form
   152,986.50/336,559.50 = 336,559.50/x
3. Step 3: Cross multiply
   152,986.50x = 336,559.50 × 336,559.50
4. Step 4: Simplify right side
   152,986.50x = 113,272,297,040.25
5. Step 5: Solve for x
   x = 113,272,297,040.25/152,986.50
6. Step 6: Final answer
   x = 740,407.14