Finding the Third Proportional to 148,810 and 222,300

Step by Step Solution

1. Step 1: Write the proportion equation
   148,810 : 222,300 = 222,300 : x
2. Step 2: Convert to fraction form
   148,810/222,300 = 222,300/x
3. Step 3: Cross multiply
   148,810x = 222,300 × 222,300
4. Step 4: Simplify right side
   148,810x = 49,417,290,000
5. Step 5: Solve for x
   x = 49,417,290,000/148,810
6. Step 6: Final answer
   x = 332,083.13