Finding the Third Proportional to 243,195 and 530,238

Step by Step Solution

1. Step 1: Write the proportion equation
   243,195 : 530,238 = 530,238 : x
2. Step 2: Convert to fraction form
   243,195/530,238 = 530,238/x
3. Step 3: Cross multiply
   243,195x = 530,238 × 530,238
4. Step 4: Simplify right side
   243,195x = 281,152,336,644
5. Step 5: Solve for x
   x = 281,152,336,644/243,195
6. Step 6: Final answer
   x = 1,156,077.78