Finding the Third Proportional to 42,075 and 90,711

Step by Step Solution

1. Step 1: Write the proportion equation
   42,075 : 90,711 = 90,711 : x
2. Step 2: Convert to fraction form
   42,075/90,711 = 90,711/x
3. Step 3: Cross multiply
   42,075x = 90,711 × 90,711
4. Step 4: Simplify right side
   42,075x = 8,228,485,521
5. Step 5: Solve for x
   x = 8,228,485,521/42,075
6. Step 6: Final answer
   x = 195,567.09