Finding the Third Proportional to 531,499.22 and 818,053.59

Step by Step Solution

1. Step 1: Write the proportion equation
   531,499.22 : 818,053.59 = 818,053.59 : x
2. Step 2: Convert to fraction form
   531,499.22/818,053.59 = 818,053.59/x
3. Step 3: Cross multiply
   531,499.22x = 818,053.59 × 818,053.59
4. Step 4: Simplify right side
   531,499.22x = 669,211,682,247.29
5. Step 5: Solve for x
   x = 669,211,682,247.29/531,499.22
6. Step 6: Final answer
   x = 1,259,101.91