Finding the Third Proportional to 30,418.03 and 65,039.63

Step by Step Solution

1. Step 1: Write the proportion equation
   30,418.03 : 65,039.63 = 65,039.63 : x
2. Step 2: Convert to fraction form
   30,418.03/65,039.63 = 65,039.63/x
3. Step 3: Cross multiply
   30,418.03x = 65,039.63 × 65,039.63
4. Step 4: Simplify right side
   30,418.03x = 4,230,152,820.14
5. Step 5: Solve for x
   x = 4,230,152,820.14/30,418.03
6. Step 6: Final answer
   x = 139,067.28