Finding the Third Proportional to 30,583.69 and 67,181.63

Step by Step Solution

1. Step 1: Write the proportion equation
   30,583.69 : 67,181.63 = 67,181.63 : x
2. Step 2: Convert to fraction form
   30,583.69/67,181.63 = 67,181.63/x
3. Step 3: Cross multiply
   30,583.69x = 67,181.63 × 67,181.63
4. Step 4: Simplify right side
   30,583.69x = 4,513,370,737.64
5. Step 5: Solve for x
   x = 4,513,370,737.64/30,583.69
6. Step 6: Final answer
   x = 147,574.45