Finding the Third Proportional to 45,081 and 69,142.50

Step by Step Solution

1. Step 1: Write the proportion equation
   45,081 : 69,142.50 = 69,142.50 : x
2. Step 2: Convert to fraction form
   45,081/69,142.50 = 69,142.50/x
3. Step 3: Cross multiply
   45,081x = 69,142.50 × 69,142.50
4. Step 4: Simplify right side
   45,081x = 4,780,685,306.25
5. Step 5: Solve for x
   x = 4,780,685,306.25/45,081
6. Step 6: Final answer
   x = 106,046.57