Finding the Third Proportional to 71,145 and 103,045

Step by Step Solution

1. Step 1: Write the proportion equation
   71,145 : 103,045 = 103,045 : x
2. Step 2: Convert to fraction form
   71,145/103,045 = 103,045/x
3. Step 3: Cross multiply
   71,145x = 103,045 × 103,045
4. Step 4: Simplify right side
   71,145x = 10,618,272,025
5. Step 5: Solve for x
   x = 10,618,272,025/71,145
6. Step 6: Final answer
   x = 149,248.32