Finding the Third Proportional to 141,004.50 and 218,442

Step by Step Solution

1. Step 1: Write the proportion equation
   141,004.50 : 218,442 = 218,442 : x
2. Step 2: Convert to fraction form
   141,004.50/218,442 = 218,442/x
3. Step 3: Cross multiply
   141,004.50x = 218,442 × 218,442
4. Step 4: Simplify right side
   141,004.50x = 47,716,907,364
5. Step 5: Solve for x
   x = 47,716,907,364/141,004.50
6. Step 6: Final answer
   x = 338,406.98