Finding the Third Proportional to 69,074.25 and 103,185

Step by Step Solution

1. Step 1: Write the proportion equation
   69,074.25 : 103,185 = 103,185 : x
2. Step 2: Convert to fraction form
   69,074.25/103,185 = 103,185/x
3. Step 3: Cross multiply
   69,074.25x = 103,185 × 103,185
4. Step 4: Simplify right side
   69,074.25x = 10,647,144,225
5. Step 5: Solve for x
   x = 10,647,144,225/69,074.25
6. Step 6: Final answer
   x = 154,140.57