Finding the Third Proportional to 42,375 and 58,104

Step by Step Solution

1. Step 1: Write the proportion equation
   42,375 : 58,104 = 58,104 : x
2. Step 2: Convert to fraction form
   42,375/58,104 = 58,104/x
3. Step 3: Cross multiply
   42,375x = 58,104 × 58,104
4. Step 4: Simplify right side
   42,375x = 3,376,074,816
5. Step 5: Solve for x
   x = 3,376,074,816/42,375
6. Step 6: Final answer
   x = 79,671.38