Finding the Third Proportional to 1,228,672 and 1,923,222

Step by Step Solution

1. Step 1: Write the proportion equation
   1,228,672 : 1,923,222 = 1,923,222 : x
2. Step 2: Convert to fraction form
   1,228,672/1,923,222 = 1,923,222/x
3. Step 3: Cross multiply
   1,228,672x = 1,923,222 × 1,923,222
4. Step 4: Simplify right side
   1,228,672x = 3,698,782,861,284
5. Step 5: Solve for x
   x = 3,698,782,861,284/1,228,672
6. Step 6: Final answer
   x = 3,010,390.78