Finding the Third Proportional to 328,798 and 482,826

Step by Step Solution

1. Step 1: Write the proportion equation
   328,798 : 482,826 = 482,826 : x
2. Step 2: Convert to fraction form
   328,798/482,826 = 482,826/x
3. Step 3: Cross multiply
   328,798x = 482,826 × 482,826
4. Step 4: Simplify right side
   328,798x = 233,120,946,276
5. Step 5: Solve for x
   x = 233,120,946,276/328,798
6. Step 6: Final answer
   x = 709,009.62