Finding the Third Proportional to 900,390 and 1,373,454

Step by Step Solution

1. Step 1: Write the proportion equation
   900,390 : 1,373,454 = 1,373,454 : x
2. Step 2: Convert to fraction form
   900,390/1,373,454 = 1,373,454/x
3. Step 3: Cross multiply
   900,390x = 1,373,454 × 1,373,454
4. Step 4: Simplify right side
   900,390x = 1,886,375,890,116
5. Step 5: Solve for x
   x = 1,886,375,890,116/900,390
6. Step 6: Final answer
   x = 2,095,065.35