Finding the Third Proportional to 155,776.50 and 222,762

Step by Step Solution

1. Step 1: Write the proportion equation
   155,776.50 : 222,762 = 222,762 : x
2. Step 2: Convert to fraction form
   155,776.50/222,762 = 222,762/x
3. Step 3: Cross multiply
   155,776.50x = 222,762 × 222,762
4. Step 4: Simplify right side
   155,776.50x = 49,622,908,644
5. Step 5: Solve for x
   x = 49,622,908,644/155,776.50
6. Step 6: Final answer
   x = 318,551.96