Finding the Third Proportional to 30,056.50 and 65,783

Step by Step Solution

1. Step 1: Write the proportion equation
   30,056.50 : 65,783 = 65,783 : x
2. Step 2: Convert to fraction form
   30,056.50/65,783 = 65,783/x
3. Step 3: Cross multiply
   30,056.50x = 65,783 × 65,783
4. Step 4: Simplify right side
   30,056.50x = 4,327,403,089
5. Step 5: Solve for x
   x = 4,327,403,089/30,056.50
6. Step 6: Final answer
   x = 143,975.62