Finding the Third Proportional to 6,479,406 and 13,997,820

Step by Step Solution

1. Step 1: Write the proportion equation
   6,479,406 : 13,997,820 = 13,997,820 : x
2. Step 2: Convert to fraction form
   6,479,406/13,997,820 = 13,997,820/x
3. Step 3: Cross multiply
   6,479,406x = 13,997,820 × 13,997,820
4. Step 4: Simplify right side
   6,479,406x = 195,938,964,752,400
5. Step 5: Solve for x
   x = 195,938,964,752,400/6,479,406
6. Step 6: Final answer
   x = 30,240,266.58