Finding the Third Proportional to 132,453 and 199,222.50

Step by Step Solution

1. Step 1: Write the proportion equation
   132,453 : 199,222.50 = 199,222.50 : x
2. Step 2: Convert to fraction form
   132,453/199,222.50 = 199,222.50/x
3. Step 3: Cross multiply
   132,453x = 199,222.50 × 199,222.50
4. Step 4: Simplify right side
   132,453x = 39,689,604,506.25
5. Step 5: Solve for x
   x = 39,689,604,506.25/132,453
6. Step 6: Final answer
   x = 299,650.48