Finding the Third Proportional to 102,730 and 222,308

Step by Step Solution

1. Step 1: Write the proportion equation
   102,730 : 222,308 = 222,308 : x
2. Step 2: Convert to fraction form
   102,730/222,308 = 222,308/x
3. Step 3: Cross multiply
   102,730x = 222,308 × 222,308
4. Step 4: Simplify right side
   102,730x = 49,420,846,864
5. Step 5: Solve for x
   x = 49,420,846,864/102,730
6. Step 6: Final answer
   x = 481,075.12