Finding the Third Proportional to 42,048 and 56,349

Step by Step Solution

1. Step 1: Write the proportion equation
   42,048 : 56,349 = 56,349 : x
2. Step 2: Convert to fraction form
   42,048/56,349 = 56,349/x
3. Step 3: Cross multiply
   42,048x = 56,349 × 56,349
4. Step 4: Simplify right side
   42,048x = 3,175,209,801
5. Step 5: Solve for x
   x = 3,175,209,801/42,048
6. Step 6: Final answer
   x = 75,513.93