Finding the Third Proportional to 890,068 and 1,972,320

Step by Step Solution

1. Step 1: Write the proportion equation
   890,068 : 1,972,320 = 1,972,320 : x
2. Step 2: Convert to fraction form
   890,068/1,972,320 = 1,972,320/x
3. Step 3: Cross multiply
   890,068x = 1,972,320 × 1,972,320
4. Step 4: Simplify right side
   890,068x = 3,890,046,182,400
5. Step 5: Solve for x
   x = 3,890,046,182,400/890,068
6. Step 6: Final answer
   x = 4,370,504.48