Finding the Third Proportional to 172,123.73 and 284,446.69

Step by Step Solution

1. Step 1: Write the proportion equation
   172,123.73 : 284,446.69 = 284,446.69 : x
2. Step 2: Convert to fraction form
   172,123.73/284,446.69 = 284,446.69/x
3. Step 3: Cross multiply
   172,123.73x = 284,446.69 × 284,446.69
4. Step 4: Simplify right side
   172,123.73x = 80,909,918,029.72
5. Step 5: Solve for x
   x = 80,909,918,029.72/172,123.73
6. Step 6: Final answer
   x = 470,068.34