Finding the Third Proportional to 30,326 and 45,516

Step by Step Solution

1. Step 1: Write the proportion equation
   30,326 : 45,516 = 45,516 : x
2. Step 2: Convert to fraction form
   30,326/45,516 = 45,516/x
3. Step 3: Cross multiply
   30,326x = 45,516 × 45,516
4. Step 4: Simplify right side
   30,326x = 2,071,706,256
5. Step 5: Solve for x
   x = 2,071,706,256/30,326
6. Step 6: Final answer
   x = 68,314.52