Finding the Third Proportional to 901,919 and 1,878,470

Step by Step Solution

1. Step 1: Write the proportion equation
   901,919 : 1,878,470 = 1,878,470 : x
2. Step 2: Convert to fraction form
   901,919/1,878,470 = 1,878,470/x
3. Step 3: Cross multiply
   901,919x = 1,878,470 × 1,878,470
4. Step 4: Simplify right side
   901,919x = 3,528,649,540,900
5. Step 5: Solve for x
   x = 3,528,649,540,900/901,919
6. Step 6: Final answer
   x = 3,912,379.65