Finding the Third Proportional to 437,769 and 629,005.50

Step by Step Solution

1. Step 1: Write the proportion equation
   437,769 : 629,005.50 = 629,005.50 : x
2. Step 2: Convert to fraction form
   437,769/629,005.50 = 629,005.50/x
3. Step 3: Cross multiply
   437,769x = 629,005.50 × 629,005.50
4. Step 4: Simplify right side
   437,769x = 395,647,919,030.25
5. Step 5: Solve for x
   x = 395,647,919,030.25/437,769
6. Step 6: Final answer
   x = 903,782.40