Finding the Third Proportional to 35,161.31 and 71,628.19

Step by Step Solution

1. Step 1: Write the proportion equation
   35,161.31 : 71,628.19 = 71,628.19 : x
2. Step 2: Convert to fraction form
   35,161.31/71,628.19 = 71,628.19/x
3. Step 3: Cross multiply
   35,161.31x = 71,628.19 × 71,628.19
4. Step 4: Simplify right side
   35,161.31x = 5,130,597,244.54
5. Step 5: Solve for x
   x = 5,130,597,244.54/35,161.31
6. Step 6: Final answer
   x = 145,915.98