Finding the Third Proportional to 1,999,584 and 2,857,410

Step by Step Solution

1. Step 1: Write the proportion equation
   1,999,584 : 2,857,410 = 2,857,410 : x
2. Step 2: Convert to fraction form
   1,999,584/2,857,410 = 2,857,410/x
3. Step 3: Cross multiply
   1,999,584x = 2,857,410 × 2,857,410
4. Step 4: Simplify right side
   1,999,584x = 8,164,791,908,100
5. Step 5: Solve for x
   x = 8,164,791,908,100/1,999,584
6. Step 6: Final answer
   x = 4,083,245.27