Finding the Third Proportional to 42,472 and 89,075

Step by Step Solution

1. Step 1: Write the proportion equation
   42,472 : 89,075 = 89,075 : x
2. Step 2: Convert to fraction form
   42,472/89,075 = 89,075/x
3. Step 3: Cross multiply
   42,472x = 89,075 × 89,075
4. Step 4: Simplify right side
   42,472x = 7,934,355,625
5. Step 5: Solve for x
   x = 7,934,355,625/42,472
6. Step 6: Final answer
   x = 186,813.80