Finding the Third Proportional to 1,277,225 and 1,921,170

Step by Step Solution

1. Step 1: Write the proportion equation
   1,277,225 : 1,921,170 = 1,921,170 : x
2. Step 2: Convert to fraction form
   1,277,225/1,921,170 = 1,921,170/x
3. Step 3: Cross multiply
   1,277,225x = 1,921,170 × 1,921,170
4. Step 4: Simplify right side
   1,277,225x = 3,690,894,168,900
5. Step 5: Solve for x
   x = 3,690,894,168,900/1,277,225
6. Step 6: Final answer
   x = 2,889,776.01