Finding the Third Proportional to 969,418 and 2,070,780

Step by Step Solution

1. Step 1: Write the proportion equation
   969,418 : 2,070,780 = 2,070,780 : x
2. Step 2: Convert to fraction form
   969,418/2,070,780 = 2,070,780/x
3. Step 3: Cross multiply
   969,418x = 2,070,780 × 2,070,780
4. Step 4: Simplify right side
   969,418x = 4,288,129,808,400
5. Step 5: Solve for x
   x = 4,288,129,808,400/969,418
6. Step 6: Final answer
   x = 4,423,406.42