Finding the Third Proportional to 33,315 and 71,570

Step by Step Solution

1. Step 1: Write the proportion equation
   33,315 : 71,570 = 71,570 : x
2. Step 2: Convert to fraction form
   33,315/71,570 = 71,570/x
3. Step 3: Cross multiply
   33,315x = 71,570 × 71,570
4. Step 4: Simplify right side
   33,315x = 5,122,264,900
5. Step 5: Solve for x
   x = 5,122,264,900/33,315
6. Step 6: Final answer
   x = 153,752.51