Finding the Third Proportional to 67,185 and 99,841.50

Step by Step Solution

1. Step 1: Write the proportion equation
   67,185 : 99,841.50 = 99,841.50 : x
2. Step 2: Convert to fraction form
   67,185/99,841.50 = 99,841.50/x
3. Step 3: Cross multiply
   67,185x = 99,841.50 × 99,841.50
4. Step 4: Simplify right side
   67,185x = 9,968,325,122.25
5. Step 5: Solve for x
   x = 9,968,325,122.25/67,185
6. Step 6: Final answer
   x = 148,371.29