Finding the Third Proportional to 886,488 and 1,921,584

Step by Step Solution

1. Step 1: Write the proportion equation
   886,488 : 1,921,584 = 1,921,584 : x
2. Step 2: Convert to fraction form
   886,488/1,921,584 = 1,921,584/x
3. Step 3: Cross multiply
   886,488x = 1,921,584 × 1,921,584
4. Step 4: Simplify right side
   886,488x = 3,692,485,069,056
5. Step 5: Solve for x
   x = 3,692,485,069,056/886,488
6. Step 6: Final answer
   x = 4,165,296.17