Finding the Third Proportional to 30,782.67 and 65,272.08

Step by Step Solution

1. Step 1: Write the proportion equation
   30,782.67 : 65,272.08 = 65,272.08 : x
2. Step 2: Convert to fraction form
   30,782.67/65,272.08 = 65,272.08/x
3. Step 3: Cross multiply
   30,782.67x = 65,272.08 × 65,272.08
4. Step 4: Simplify right side
   30,782.67x = 4,260,444,182.76
5. Step 5: Solve for x
   x = 4,260,444,182.76/30,782.67
6. Step 6: Final answer
   x = 138,403.98