Finding the Third Proportional to 30,402 and 45,481

Step by Step Solution

1. Step 1: Write the proportion equation
   30,402 : 45,481 = 45,481 : x
2. Step 2: Convert to fraction form
   30,402/45,481 = 45,481/x
3. Step 3: Cross multiply
   30,402x = 45,481 × 45,481
4. Step 4: Simplify right side
   30,402x = 2,068,521,361
5. Step 5: Solve for x
   x = 2,068,521,361/30,402
6. Step 6: Final answer
   x = 68,038.99