Finding the Third Proportional to 879,584 and 1,917,152

Step by Step Solution

1. Step 1: Write the proportion equation
   879,584 : 1,917,152 = 1,917,152 : x
2. Step 2: Convert to fraction form
   879,584/1,917,152 = 1,917,152/x
3. Step 3: Cross multiply
   879,584x = 1,917,152 × 1,917,152
4. Step 4: Simplify right side
   879,584x = 3,675,471,791,104
5. Step 5: Solve for x
   x = 3,675,471,791,104/879,584
6. Step 6: Final answer
   x = 4,178,647.85