Finding the Third Proportional to 900,559 and 1,976,328

Step by Step Solution

1. Step 1: Write the proportion equation
   900,559 : 1,976,328 = 1,976,328 : x
2. Step 2: Convert to fraction form
   900,559/1,976,328 = 1,976,328/x
3. Step 3: Cross multiply
   900,559x = 1,976,328 × 1,976,328
4. Step 4: Simplify right side
   900,559x = 3,905,872,363,584
5. Step 5: Solve for x
   x = 3,905,872,363,584/900,559
6. Step 6: Final answer
   x = 4,337,164.32