Finding the Third Proportional to 141,357.50 and 218,596

Step by Step Solution

1. Step 1: Write the proportion equation
   141,357.50 : 218,596 = 218,596 : x
2. Step 2: Convert to fraction form
   141,357.50/218,596 = 218,596/x
3. Step 3: Cross multiply
   141,357.50x = 218,596 × 218,596
4. Step 4: Simplify right side
   141,357.50x = 47,784,211,216
5. Step 5: Solve for x
   x = 47,784,211,216/141,357.50
6. Step 6: Final answer
   x = 338,038.03