Finding the Third Proportional to 39,407 and 59,112

Step by Step Solution

1. Step 1: Write the proportion equation
   39,407 : 59,112 = 59,112 : x
2. Step 2: Convert to fraction form
   39,407/59,112 = 59,112/x
3. Step 3: Cross multiply
   39,407x = 59,112 × 59,112
4. Step 4: Simplify right side
   39,407x = 3,494,228,544
5. Step 5: Solve for x
   x = 3,494,228,544/39,407
6. Step 6: Final answer
   x = 88,670.25