Finding the Third Proportional to 71,644.50 and 107,561.25

Step by Step Solution

1. Step 1: Write the proportion equation
   71,644.50 : 107,561.25 = 107,561.25 : x
2. Step 2: Convert to fraction form
   71,644.50/107,561.25 = 107,561.25/x
3. Step 3: Cross multiply
   71,644.50x = 107,561.25 × 107,561.25
4. Step 4: Simplify right side
   71,644.50x = 11,569,422,501.56
5. Step 5: Solve for x
   x = 11,569,422,501.56/71,644.50
6. Step 6: Final answer
   x = 161,483.75