Finding the Third Proportional to 30,745 and 72,549

Step by Step Solution

1. Step 1: Write the proportion equation
   30,745 : 72,549 = 72,549 : x
2. Step 2: Convert to fraction form
   30,745/72,549 = 72,549/x
3. Step 3: Cross multiply
   30,745x = 72,549 × 72,549
4. Step 4: Simplify right side
   30,745x = 5,263,357,401
5. Step 5: Solve for x
   x = 5,263,357,401/30,745
6. Step 6: Final answer
   x = 171,193.93