Finding the Third Proportional to 158,242.48 and 346,499.61

Step by Step Solution

1. Step 1: Write the proportion equation
   158,242.48 : 346,499.61 = 346,499.61 : x
2. Step 2: Convert to fraction form
   158,242.48/346,499.61 = 346,499.61/x
3. Step 3: Cross multiply
   158,242.48x = 346,499.61 × 346,499.61
4. Step 4: Simplify right side
   158,242.48x = 120,061,978,958.66
5. Step 5: Solve for x
   x = 120,061,978,958.66/158,242.48
6. Step 6: Final answer
   x = 758,721.55