Finding the Third Proportional to 900,081 and 1,920,690

Step by Step Solution

1. Step 1: Write the proportion equation
   900,081 : 1,920,690 = 1,920,690 : x
2. Step 2: Convert to fraction form
   900,081/1,920,690 = 1,920,690/x
3. Step 3: Cross multiply
   900,081x = 1,920,690 × 1,920,690
4. Step 4: Simplify right side
   900,081x = 3,689,050,076,100
5. Step 5: Solve for x
   x = 3,689,050,076,100/900,081
6. Step 6: Final answer
   x = 4,098,575.66