Finding the Third Proportional to 19,448 and 42,415

Step by Step Solution

1. Step 1: Write the proportion equation
   19,448 : 42,415 = 42,415 : x
2. Step 2: Convert to fraction form
   19,448/42,415 = 42,415/x
3. Step 3: Cross multiply
   19,448x = 42,415 × 42,415
4. Step 4: Simplify right side
   19,448x = 1,799,032,225
5. Step 5: Solve for x
   x = 1,799,032,225/19,448
6. Step 6: Final answer
   x = 92,504.74