Finding the Third Proportional to 30,164.63 and 64,335.38

Step by Step Solution

1. Step 1: Write the proportion equation
   30,164.63 : 64,335.38 = 64,335.38 : x
2. Step 2: Convert to fraction form
   30,164.63/64,335.38 = 64,335.38/x
3. Step 3: Cross multiply
   30,164.63x = 64,335.38 × 64,335.38
4. Step 4: Simplify right side
   30,164.63x = 4,139,040,476.39
5. Step 5: Solve for x
   x = 4,139,040,476.39/30,164.63
6. Step 6: Final answer
   x = 137,215.05