Finding the Third Proportional to 30,587 and 67,005.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,587 : 67,005.50 = 67,005.50 : x
2. Step 2: Convert to fraction form
   30,587/67,005.50 = 67,005.50/x
3. Step 3: Cross multiply
   30,587x = 67,005.50 × 67,005.50
4. Step 4: Simplify right side
   30,587x = 4,489,737,030.25
5. Step 5: Solve for x
   x = 4,489,737,030.25/30,587
6. Step 6: Final answer
   x = 146,785.79