Finding the Third Proportional to 228,884.50 and 498,438

Step by Step Solution

1. Step 1: Write the proportion equation
   228,884.50 : 498,438 = 498,438 : x
2. Step 2: Convert to fraction form
   228,884.50/498,438 = 498,438/x
3. Step 3: Cross multiply
   228,884.50x = 498,438 × 498,438
4. Step 4: Simplify right side
   228,884.50x = 248,440,439,844
5. Step 5: Solve for x
   x = 248,440,439,844/228,884.50
6. Step 6: Final answer
   x = 1,085,440.21