Finding the Third Proportional to 869,992 and 1,916,584

Step by Step Solution

1. Step 1: Write the proportion equation
   869,992 : 1,916,584 = 1,916,584 : x
2. Step 2: Convert to fraction form
   869,992/1,916,584 = 1,916,584/x
3. Step 3: Cross multiply
   869,992x = 1,916,584 × 1,916,584
4. Step 4: Simplify right side
   869,992x = 3,673,294,229,056
5. Step 5: Solve for x
   x = 3,673,294,229,056/869,992
6. Step 6: Final answer
   x = 4,222,216.10