Finding the Third Proportional to 72,662.70 and 155,835.77

Step by Step Solution

1. Step 1: Write the proportion equation
   72,662.70 : 155,835.77 = 155,835.77 : x
2. Step 2: Convert to fraction form
   72,662.70/155,835.77 = 155,835.77/x
3. Step 3: Cross multiply
   72,662.70x = 155,835.77 × 155,835.77
4. Step 4: Simplify right side
   72,662.70x = 24,284,788,282.86
5. Step 5: Solve for x
   x = 24,284,788,282.86/72,662.70
6. Step 6: Final answer
   x = 334,212.60