Finding the Third Proportional to 1,864,359 and 2,878,959

Step by Step Solution

1. Step 1: Write the proportion equation
   1,864,359 : 2,878,959 = 2,878,959 : x
2. Step 2: Convert to fraction form
   1,864,359/2,878,959 = 2,878,959/x
3. Step 3: Cross multiply
   1,864,359x = 2,878,959 × 2,878,959
4. Step 4: Simplify right side
   1,864,359x = 8,288,404,923,681
5. Step 5: Solve for x
   x = 8,288,404,923,681/1,864,359
6. Step 6: Final answer
   x = 4,445,712.94