Finding the Third Proportional to 30,072.38 and 65,782.13

Step by Step Solution

1. Step 1: Write the proportion equation
   30,072.38 : 65,782.13 = 65,782.13 : x
2. Step 2: Convert to fraction form
   30,072.38/65,782.13 = 65,782.13/x
3. Step 3: Cross multiply
   30,072.38x = 65,782.13 × 65,782.13
4. Step 4: Simplify right side
   30,072.38x = 4,327,287,969.52
5. Step 5: Solve for x
   x = 4,327,287,969.52/30,072.38
6. Step 6: Final answer
   x = 143,895.78