Finding the Third Proportional to 911,088 and 1,972,404

Step by Step Solution

1. Step 1: Write the proportion equation
   911,088 : 1,972,404 = 1,972,404 : x
2. Step 2: Convert to fraction form
   911,088/1,972,404 = 1,972,404/x
3. Step 3: Cross multiply
   911,088x = 1,972,404 × 1,972,404
4. Step 4: Simplify right side
   911,088x = 3,890,377,539,216
5. Step 5: Solve for x
   x = 3,890,377,539,216/911,088
6. Step 6: Final answer
   x = 4,270,034.88