Finding the Third Proportional to 101,189.25 and 222,061.50

Step by Step Solution

1. Step 1: Write the proportion equation
   101,189.25 : 222,061.50 = 222,061.50 : x
2. Step 2: Convert to fraction form
   101,189.25/222,061.50 = 222,061.50/x
3. Step 3: Cross multiply
   101,189.25x = 222,061.50 × 222,061.50
4. Step 4: Simplify right side
   101,189.25x = 49,311,309,782.25
5. Step 5: Solve for x
   x = 49,311,309,782.25/101,189.25
6. Step 6: Final answer
   x = 487,317.67