Finding the Third Proportional to 909,461 and 1,980,384

Step by Step Solution

1. Step 1: Write the proportion equation
   909,461 : 1,980,384 = 1,980,384 : x
2. Step 2: Convert to fraction form
   909,461/1,980,384 = 1,980,384/x
3. Step 3: Cross multiply
   909,461x = 1,980,384 × 1,980,384
4. Step 4: Simplify right side
   909,461x = 3,921,920,787,456
5. Step 5: Solve for x
   x = 3,921,920,787,456/909,461
6. Step 6: Final answer
   x = 4,312,357.31