Finding the Third Proportional to 437,763 and 628,996.50

Step by Step Solution

1. Step 1: Write the proportion equation
   437,763 : 628,996.50 = 628,996.50 : x
2. Step 2: Convert to fraction form
   437,763/628,996.50 = 628,996.50/x
3. Step 3: Cross multiply
   437,763x = 628,996.50 × 628,996.50
4. Step 4: Simplify right side
   437,763x = 395,636,597,012.25
5. Step 5: Solve for x
   x = 395,636,597,012.25/437,763
6. Step 6: Final answer
   x = 903,768.93