Finding the Third Proportional to 10,077.75 and 20,800.13

Step by Step Solution

1. Step 1: Write the proportion equation
   10,077.75 : 20,800.13 = 20,800.13 : x
2. Step 2: Convert to fraction form
   10,077.75/20,800.13 = 20,800.13/x
3. Step 3: Cross multiply
   10,077.75x = 20,800.13 × 20,800.13
4. Step 4: Simplify right side
   10,077.75x = 432,645,200.02
5. Step 5: Solve for x
   x = 432,645,200.02/10,077.75
6. Step 6: Final answer
   x = 42,930.73