Finding the Third Proportional to 30,107 and 64,366

Step by Step Solution

1. Step 1: Write the proportion equation
   30,107 : 64,366 = 64,366 : x
2. Step 2: Convert to fraction form
   30,107/64,366 = 64,366/x
3. Step 3: Cross multiply
   30,107x = 64,366 × 64,366
4. Step 4: Simplify right side
   30,107x = 4,142,981,956
5. Step 5: Solve for x
   x = 4,142,981,956/30,107
6. Step 6: Final answer
   x = 137,608.59