Finding the Third Proportional to 30,700.50 and 45,861

Step by Step Solution

1. Step 1: Write the proportion equation
   30,700.50 : 45,861 = 45,861 : x
2. Step 2: Convert to fraction form
   30,700.50/45,861 = 45,861/x
3. Step 3: Cross multiply
   30,700.50x = 45,861 × 45,861
4. Step 4: Simplify right side
   30,700.50x = 2,103,231,321
5. Step 5: Solve for x
   x = 2,103,231,321/30,700.50
6. Step 6: Final answer
   x = 68,508.05