Finding the Third Proportional to 166,860 and 345,549.38

Step by Step Solution

1. Step 1: Write the proportion equation
   166,860 : 345,549.38 = 345,549.38 : x
2. Step 2: Convert to fraction form
   166,860/345,549.38 = 345,549.38/x
3. Step 3: Cross multiply
   166,860x = 345,549.38 × 345,549.38
4. Step 4: Simplify right side
   166,860x = 119,404,370,562.89
5. Step 5: Solve for x
   x = 119,404,370,562.89/166,860
6. Step 6: Final answer
   x = 715,596.13