Finding the Third Proportional to 450,562.50 and 629,916

Step by Step Solution

1. Step 1: Write the proportion equation
   450,562.50 : 629,916 = 629,916 : x
2. Step 2: Convert to fraction form
   450,562.50/629,916 = 629,916/x
3. Step 3: Cross multiply
   450,562.50x = 629,916 × 629,916
4. Step 4: Simplify right side
   450,562.50x = 396,794,167,056
5. Step 5: Solve for x
   x = 396,794,167,056/450,562.50
6. Step 6: Final answer
   x = 880,663.99