Finding the Third Proportional to 540,499.50 and 847,867.50

Step by Step Solution

1. Step 1: Write the proportion equation
   540,499.50 : 847,867.50 = 847,867.50 : x
2. Step 2: Convert to fraction form
   540,499.50/847,867.50 = 847,867.50/x
3. Step 3: Cross multiply
   540,499.50x = 847,867.50 × 847,867.50
4. Step 4: Simplify right side
   540,499.50x = 718,879,297,556.25
5. Step 5: Solve for x
   x = 718,879,297,556.25/540,499.50
6. Step 6: Final answer
   x = 1,330,027.68