Finding the Third Proportional to 30,874.50 and 45,214.88

Step by Step Solution

1. Step 1: Write the proportion equation
   30,874.50 : 45,214.88 = 45,214.88 : x
2. Step 2: Convert to fraction form
   30,874.50/45,214.88 = 45,214.88/x
3. Step 3: Cross multiply
   30,874.50x = 45,214.88 × 45,214.88
4. Step 4: Simplify right side
   30,874.50x = 2,044,384,921.27
5. Step 5: Solve for x
   x = 2,044,384,921.27/30,874.50
6. Step 6: Final answer
   x = 66,215.97