Finding the Third Proportional to 135,453 and 311,524.50

Step by Step Solution

1. Step 1: Write the proportion equation
   135,453 : 311,524.50 = 311,524.50 : x
2. Step 2: Convert to fraction form
   135,453/311,524.50 = 311,524.50/x
3. Step 3: Cross multiply
   135,453x = 311,524.50 × 311,524.50
4. Step 4: Simplify right side
   135,453x = 97,047,514,100.25
5. Step 5: Solve for x
   x = 97,047,514,100.25/135,453
6. Step 6: Final answer
   x = 716,466.33