Finding the Third Proportional to 890,088 and 1,972,360

Step by Step Solution

1. Step 1: Write the proportion equation
   890,088 : 1,972,360 = 1,972,360 : x
2. Step 2: Convert to fraction form
   890,088/1,972,360 = 1,972,360/x
3. Step 3: Cross multiply
   890,088x = 1,972,360 × 1,972,360
4. Step 4: Simplify right side
   890,088x = 3,890,203,969,600
5. Step 5: Solve for x
   x = 3,890,203,969,600/890,088
6. Step 6: Final answer
   x = 4,370,583.55