Finding the Third Proportional to 30,159 and 64,326

Step by Step Solution

1. Step 1: Write the proportion equation
   30,159 : 64,326 = 64,326 : x
2. Step 2: Convert to fraction form
   30,159/64,326 = 64,326/x
3. Step 3: Cross multiply
   30,159x = 64,326 × 64,326
4. Step 4: Simplify right side
   30,159x = 4,137,834,276
5. Step 5: Solve for x
   x = 4,137,834,276/30,159
6. Step 6: Final answer
   x = 137,200.65