Finding the Third Proportional to 450,535 and 629,875.50

Step by Step Solution

1. Step 1: Write the proportion equation
   450,535 : 629,875.50 = 629,875.50 : x
2. Step 2: Convert to fraction form
   450,535/629,875.50 = 629,875.50/x
3. Step 3: Cross multiply
   450,535x = 629,875.50 × 629,875.50
4. Step 4: Simplify right side
   450,535x = 396,743,145,500.25
5. Step 5: Solve for x
   x = 396,743,145,500.25/450,535
6. Step 6: Final answer
   x = 880,604.49