Finding the Third Proportional to 71,743.50 and 151,688.25

Step by Step Solution

1. Step 1: Write the proportion equation
   71,743.50 : 151,688.25 = 151,688.25 : x
2. Step 2: Convert to fraction form
   71,743.50/151,688.25 = 151,688.25/x
3. Step 3: Cross multiply
   71,743.50x = 151,688.25 × 151,688.25
4. Step 4: Simplify right side
   71,743.50x = 23,009,325,188.06
5. Step 5: Solve for x
   x = 23,009,325,188.06/71,743.50
6. Step 6: Final answer
   x = 320,716.51