Finding the Third Proportional to 19,686.56 and 43,200.56

Step by Step Solution

1. Step 1: Write the proportion equation
   19,686.56 : 43,200.56 = 43,200.56 : x
2. Step 2: Convert to fraction form
   19,686.56/43,200.56 = 43,200.56/x
3. Step 3: Cross multiply
   19,686.56x = 43,200.56 × 43,200.56
4. Step 4: Simplify right side
   19,686.56x = 1,866,288,600.32
5. Step 5: Solve for x
   x = 1,866,288,600.32/19,686.56
6. Step 6: Final answer
   x = 94,800.13