Finding the Third Proportional to 145,360.83 and 308,308.78

Step by Step Solution

1. Step 1: Write the proportion equation
   145,360.83 : 308,308.78 = 308,308.78 : x
2. Step 2: Convert to fraction form
   145,360.83/308,308.78 = 308,308.78/x
3. Step 3: Cross multiply
   145,360.83x = 308,308.78 × 308,308.78
4. Step 4: Simplify right side
   145,360.83x = 95,054,304,595.86
5. Step 5: Solve for x
   x = 95,054,304,595.86/145,360.83
6. Step 6: Final answer
   x = 653,919.67