Finding the Third Proportional to 215,491 and 341,051

Step by Step Solution

1. Step 1: Write the proportion equation
   215,491 : 341,051 = 341,051 : x
2. Step 2: Convert to fraction form
   215,491/341,051 = 341,051/x
3. Step 3: Cross multiply
   215,491x = 341,051 × 341,051
4. Step 4: Simplify right side
   215,491x = 116,315,784,601
5. Step 5: Solve for x
   x = 116,315,784,601/215,491
6. Step 6: Final answer
   x = 539,770.96