Finding the Third Proportional to 30,403.88 and 65,303.25

Step by Step Solution

1. Step 1: Write the proportion equation
   30,403.88 : 65,303.25 = 65,303.25 : x
2. Step 2: Convert to fraction form
   30,403.88/65,303.25 = 65,303.25/x
3. Step 3: Cross multiply
   30,403.88x = 65,303.25 × 65,303.25
4. Step 4: Simplify right side
   30,403.88x = 4,264,514,460.56
5. Step 5: Solve for x
   x = 4,264,514,460.56/30,403.88
6. Step 6: Final answer
   x = 140,262.20