Finding the Third Proportional to 28,460 and 45,728

Step by Step Solution

1. Step 1: Write the proportion equation
   28,460 : 45,728 = 45,728 : x
2. Step 2: Convert to fraction form
   28,460/45,728 = 45,728/x
3. Step 3: Cross multiply
   28,460x = 45,728 × 45,728
4. Step 4: Simplify right side
   28,460x = 2,091,049,984
5. Step 5: Solve for x
   x = 2,091,049,984/28,460
6. Step 6: Final answer
   x = 73,473.30