Finding the Third Proportional to 40,245 and 87,404.50

Step by Step Solution

1. Step 1: Write the proportion equation
   40,245 : 87,404.50 = 87,404.50 : x
2. Step 2: Convert to fraction form
   40,245/87,404.50 = 87,404.50/x
3. Step 3: Cross multiply
   40,245x = 87,404.50 × 87,404.50
4. Step 4: Simplify right side
   40,245x = 7,639,546,620.25
5. Step 5: Solve for x
   x = 7,639,546,620.25/40,245
6. Step 6: Final answer
   x = 189,825.98