Finding the Third Proportional to 30,583 and 64,487

Step by Step Solution

1. Step 1: Write the proportion equation
   30,583 : 64,487 = 64,487 : x
2. Step 2: Convert to fraction form
   30,583/64,487 = 64,487/x
3. Step 3: Cross multiply
   30,583x = 64,487 × 64,487
4. Step 4: Simplify right side
   30,583x = 4,158,573,169
5. Step 5: Solve for x
   x = 4,158,573,169/30,583
6. Step 6: Final answer
   x = 135,976.63