Finding the Third Proportional to 248,763 and 373,872.75

Step by Step Solution

1. Step 1: Write the proportion equation
   248,763 : 373,872.75 = 373,872.75 : x
2. Step 2: Convert to fraction form
   248,763/373,872.75 = 373,872.75/x
3. Step 3: Cross multiply
   248,763x = 373,872.75 × 373,872.75
4. Step 4: Simplify right side
   248,763x = 139,780,833,192.56
5. Step 5: Solve for x
   x = 139,780,833,192.56/248,763
6. Step 6: Final answer
   x = 561,903.63