Finding the Third Proportional to 155,773.50 and 222,759

Step by Step Solution

1. Step 1: Write the proportion equation
   155,773.50 : 222,759 = 222,759 : x
2. Step 2: Convert to fraction form
   155,773.50/222,759 = 222,759/x
3. Step 3: Cross multiply
   155,773.50x = 222,759 × 222,759
4. Step 4: Simplify right side
   155,773.50x = 49,621,572,081
5. Step 5: Solve for x
   x = 49,621,572,081/155,773.50
6. Step 6: Final answer
   x = 318,549.51