Finding the Third Proportional to 72,979.73 and 156,871.69

Step by Step Solution

1. Step 1: Write the proportion equation
   72,979.73 : 156,871.69 = 156,871.69 : x
2. Step 2: Convert to fraction form
   72,979.73/156,871.69 = 156,871.69/x
3. Step 3: Cross multiply
   72,979.73x = 156,871.69 × 156,871.69
4. Step 4: Simplify right side
   72,979.73x = 24,608,726,339.10
5. Step 5: Solve for x
   x = 24,608,726,339.10/72,979.73
6. Step 6: Final answer
   x = 337,199.45