Finding the Third Proportional to 81,003 and 109,045

Step by Step Solution

1. Step 1: Write the proportion equation
   81,003 : 109,045 = 109,045 : x
2. Step 2: Convert to fraction form
   81,003/109,045 = 109,045/x
3. Step 3: Cross multiply
   81,003x = 109,045 × 109,045
4. Step 4: Simplify right side
   81,003x = 11,890,812,025
5. Step 5: Solve for x
   x = 11,890,812,025/81,003
6. Step 6: Final answer
   x = 146,794.71