Finding the Third Proportional to 1,380,844 and 1,865,610

Step by Step Solution

1. Step 1: Write the proportion equation
   1,380,844 : 1,865,610 = 1,865,610 : x
2. Step 2: Convert to fraction form
   1,380,844/1,865,610 = 1,865,610/x
3. Step 3: Cross multiply
   1,380,844x = 1,865,610 × 1,865,610
4. Step 4: Simplify right side
   1,380,844x = 3,480,500,672,100
5. Step 5: Solve for x
   x = 3,480,500,672,100/1,380,844
6. Step 6: Final answer
   x = 2,520,560.38