Finding the Third Proportional to 103,611 and 122,747.25

Step by Step Solution

1. Step 1: Write the proportion equation
   103,611 : 122,747.25 = 122,747.25 : x
2. Step 2: Convert to fraction form
   103,611/122,747.25 = 122,747.25/x
3. Step 3: Cross multiply
   103,611x = 122,747.25 × 122,747.25
4. Step 4: Simplify right side
   103,611x = 15,066,887,382.56
5. Step 5: Solve for x
   x = 15,066,887,382.56/103,611
6. Step 6: Final answer
   x = 145,417.84