Finding the Third Proportional to 5,963,356 and 12,870,920

Step by Step Solution

1. Step 1: Write the proportion equation
   5,963,356 : 12,870,920 = 12,870,920 : x
2. Step 2: Convert to fraction form
   5,963,356/12,870,920 = 12,870,920/x
3. Step 3: Cross multiply
   5,963,356x = 12,870,920 × 12,870,920
4. Step 4: Simplify right side
   5,963,356x = 165,660,581,646,400
5. Step 5: Solve for x
   x = 165,660,581,646,400/5,963,356
6. Step 6: Final answer
   x = 27,779,757.18