Finding the Third Proportional to 42,074 and 90,706

Step by Step Solution

1. Step 1: Write the proportion equation
   42,074 : 90,706 = 90,706 : x
2. Step 2: Convert to fraction form
   42,074/90,706 = 90,706/x
3. Step 3: Cross multiply
   42,074x = 90,706 × 90,706
4. Step 4: Simplify right side
   42,074x = 8,227,578,436
5. Step 5: Solve for x
   x = 8,227,578,436/42,074
6. Step 6: Final answer
   x = 195,550.18