Finding the Third Proportional to 20,783.25 and 39,652.88

Step by Step Solution

1. Step 1: Write the proportion equation
   20,783.25 : 39,652.88 = 39,652.88 : x
2. Step 2: Convert to fraction form
   20,783.25/39,652.88 = 39,652.88/x
3. Step 3: Cross multiply
   20,783.25x = 39,652.88 × 39,652.88
4. Step 4: Simplify right side
   20,783.25x = 1,572,350,495.77
5. Step 5: Solve for x
   x = 1,572,350,495.77/20,783.25
6. Step 6: Final answer
   x = 75,654.70