Finding the Third Proportional to 99,734 and 215,322

Step by Step Solution

1. Step 1: Write the proportion equation
   99,734 : 215,322 = 215,322 : x
2. Step 2: Convert to fraction form
   99,734/215,322 = 215,322/x
3. Step 3: Cross multiply
   99,734x = 215,322 × 215,322
4. Step 4: Simplify right side
   99,734x = 46,363,563,684
5. Step 5: Solve for x
   x = 46,363,563,684/99,734
6. Step 6: Final answer
   x = 464,872.20