Finding the Third Proportional to 211,160.25 and 459,499.50

Step by Step Solution

1. Step 1: Write the proportion equation
   211,160.25 : 459,499.50 = 459,499.50 : x
2. Step 2: Convert to fraction form
   211,160.25/459,499.50 = 459,499.50/x
3. Step 3: Cross multiply
   211,160.25x = 459,499.50 × 459,499.50
4. Step 4: Simplify right side
   211,160.25x = 211,139,790,500.25
5. Step 5: Solve for x
   x = 211,139,790,500.25/211,160.25
6. Step 6: Final answer
   x = 999,903.11