Finding the Third Proportional to 151,803 and 222,780.75

Step by Step Solution

1. Step 1: Write the proportion equation
   151,803 : 222,780.75 = 222,780.75 : x
2. Step 2: Convert to fraction form
   151,803/222,780.75 = 222,780.75/x
3. Step 3: Cross multiply
   151,803x = 222,780.75 × 222,780.75
4. Step 4: Simplify right side
   151,803x = 49,631,262,570.56
5. Step 5: Solve for x
   x = 49,631,262,570.56/151,803
6. Step 6: Final answer
   x = 326,945.20