Finding the Third Proportional to 20,055.75 and 42,664.88

Step by Step Solution

1. Step 1: Write the proportion equation
   20,055.75 : 42,664.88 = 42,664.88 : x
2. Step 2: Convert to fraction form
   20,055.75/42,664.88 = 42,664.88/x
3. Step 3: Cross multiply
   20,055.75x = 42,664.88 × 42,664.88
4. Step 4: Simplify right side
   20,055.75x = 1,820,291,558.77
5. Step 5: Solve for x
   x = 1,820,291,558.77/20,055.75
6. Step 6: Final answer
   x = 90,761.58