Finding the Third Proportional to 30,406 and 45,486

Step by Step Solution

1. Step 1: Write the proportion equation
   30,406 : 45,486 = 45,486 : x
2. Step 2: Convert to fraction form
   30,406/45,486 = 45,486/x
3. Step 3: Cross multiply
   30,406x = 45,486 × 45,486
4. Step 4: Simplify right side
   30,406x = 2,068,976,196
5. Step 5: Solve for x
   x = 2,068,976,196/30,406
6. Step 6: Final answer
   x = 68,045.00