Finding the Third Proportional to 30,804 and 67,135.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,804 : 67,135.50 = 67,135.50 : x
2. Step 2: Convert to fraction form
   30,804/67,135.50 = 67,135.50/x
3. Step 3: Cross multiply
   30,804x = 67,135.50 × 67,135.50
4. Step 4: Simplify right side
   30,804x = 4,507,175,360.25
5. Step 5: Solve for x
   x = 4,507,175,360.25/30,804
6. Step 6: Final answer
   x = 146,317.86