Finding the Third Proportional to 42,255 and 59,079.38

Step by Step Solution

1. Step 1: Write the proportion equation
   42,255 : 59,079.38 = 59,079.38 : x
2. Step 2: Convert to fraction form
   42,255/59,079.38 = 59,079.38/x
3. Step 3: Cross multiply
   42,255x = 59,079.38 × 59,079.38
4. Step 4: Simplify right side
   42,255x = 3,490,372,550.39
5. Step 5: Solve for x
   x = 3,490,372,550.39/42,255
6. Step 6: Final answer
   x = 82,602.59