Finding the Third Proportional to 315,264 and 373,584

Step by Step Solution

1. Step 1: Write the proportion equation
   315,264 : 373,584 = 373,584 : x
2. Step 2: Convert to fraction form
   315,264/373,584 = 373,584/x
3. Step 3: Cross multiply
   315,264x = 373,584 × 373,584
4. Step 4: Simplify right side
   315,264x = 139,565,005,056
5. Step 5: Solve for x
   x = 139,565,005,056/315,264
6. Step 6: Final answer
   x = 442,692.49