Finding the Third Proportional to 108,490.50 and 222,266.25

Step by Step Solution

1. Step 1: Write the proportion equation
   108,490.50 : 222,266.25 = 222,266.25 : x
2. Step 2: Convert to fraction form
   108,490.50/222,266.25 = 222,266.25/x
3. Step 3: Cross multiply
   108,490.50x = 222,266.25 × 222,266.25
4. Step 4: Simplify right side
   108,490.50x = 49,402,285,889.06
5. Step 5: Solve for x
   x = 49,402,285,889.06/108,490.50
6. Step 6: Final answer
   x = 455,360.48