Finding the Third Proportional to 71,570.25 and 107,311.50

Step by Step Solution

1. Step 1: Write the proportion equation
   71,570.25 : 107,311.50 = 107,311.50 : x
2. Step 2: Convert to fraction form
   71,570.25/107,311.50 = 107,311.50/x
3. Step 3: Cross multiply
   71,570.25x = 107,311.50 × 107,311.50
4. Step 4: Simplify right side
   71,570.25x = 11,515,758,032.25
5. Step 5: Solve for x
   x = 11,515,758,032.25/71,570.25
6. Step 6: Final answer
   x = 160,901.46