Finding the Third Proportional to 436,414.50 and 677,322

Step by Step Solution

1. Step 1: Write the proportion equation
   436,414.50 : 677,322 = 677,322 : x
2. Step 2: Convert to fraction form
   436,414.50/677,322 = 677,322/x
3. Step 3: Cross multiply
   436,414.50x = 677,322 × 677,322
4. Step 4: Simplify right side
   436,414.50x = 458,765,091,684
5. Step 5: Solve for x
   x = 458,765,091,684/436,414.50
6. Step 6: Final answer
   x = 1,051,214.14