Finding the Third Proportional to 248,631.38 and 382,386

Step by Step Solution

1. Step 1: Write the proportion equation
   248,631.38 : 382,386 = 382,386 : x
2. Step 2: Convert to fraction form
   248,631.38/382,386 = 382,386/x
3. Step 3: Cross multiply
   248,631.38x = 382,386 × 382,386
4. Step 4: Simplify right side
   248,631.38x = 146,219,052,996
5. Step 5: Solve for x
   x = 146,219,052,996/248,631.38
6. Step 6: Final answer
   x = 588,095.74