Finding the Third Proportional to 291,687.50 and 449,976

Step by Step Solution

1. Step 1: Write the proportion equation
   291,687.50 : 449,976 = 449,976 : x
2. Step 2: Convert to fraction form
   291,687.50/449,976 = 449,976/x
3. Step 3: Cross multiply
   291,687.50x = 449,976 × 449,976
4. Step 4: Simplify right side
   291,687.50x = 202,478,400,576
5. Step 5: Solve for x
   x = 202,478,400,576/291,687.50
6. Step 6: Final answer
   x = 694,162.08