Finding the Third Proportional to 20,308.50 and 30,461.63

Step by Step Solution

1. Step 1: Write the proportion equation
   20,308.50 : 30,461.63 = 30,461.63 : x
2. Step 2: Convert to fraction form
   20,308.50/30,461.63 = 30,461.63/x
3. Step 3: Cross multiply
   20,308.50x = 30,461.63 × 30,461.63
4. Step 4: Simplify right side
   20,308.50x = 927,910,597.64
5. Step 5: Solve for x
   x = 927,910,597.64/20,308.50
6. Step 6: Final answer
   x = 45,690.75