Finding the Third Proportional to 1,228,688 and 1,923,290

Step by Step Solution

1. Step 1: Write the proportion equation
   1,228,688 : 1,923,290 = 1,923,290 : x
2. Step 2: Convert to fraction form
   1,228,688/1,923,290 = 1,923,290/x
3. Step 3: Cross multiply
   1,228,688x = 1,923,290 × 1,923,290
4. Step 4: Simplify right side
   1,228,688x = 3,699,044,424,100
5. Step 5: Solve for x
   x = 3,699,044,424,100/1,228,688
6. Step 6: Final answer
   x = 3,010,564.46