Finding the Third Proportional to 211,243.50 and 458,322

Step by Step Solution

1. Step 1: Write the proportion equation
   211,243.50 : 458,322 = 458,322 : x
2. Step 2: Convert to fraction form
   211,243.50/458,322 = 458,322/x
3. Step 3: Cross multiply
   211,243.50x = 458,322 × 458,322
4. Step 4: Simplify right side
   211,243.50x = 210,059,055,684
5. Step 5: Solve for x
   x = 210,059,055,684/211,243.50
6. Step 6: Final answer
   x = 994,392.99