Finding the Third Proportional to 30,238 and 64,076

Step by Step Solution

1. Step 1: Write the proportion equation
   30,238 : 64,076 = 64,076 : x
2. Step 2: Convert to fraction form
   30,238/64,076 = 64,076/x
3. Step 3: Cross multiply
   30,238x = 64,076 × 64,076
4. Step 4: Simplify right side
   30,238x = 4,105,733,776
5. Step 5: Solve for x
   x = 4,105,733,776/30,238
6. Step 6: Final answer
   x = 135,780.60