Finding the Third Proportional to 475,781.50 and 648,044

Step by Step Solution

1. Step 1: Write the proportion equation
   475,781.50 : 648,044 = 648,044 : x
2. Step 2: Convert to fraction form
   475,781.50/648,044 = 648,044/x
3. Step 3: Cross multiply
   475,781.50x = 648,044 × 648,044
4. Step 4: Simplify right side
   475,781.50x = 419,961,025,936
5. Step 5: Solve for x
   x = 419,961,025,936/475,781.50
6. Step 6: Final answer
   x = 882,676.24