Finding the Third Proportional to 2,931,057 and 6,363,443

Step by Step Solution

1. Step 1: Write the proportion equation
   2,931,057 : 6,363,443 = 6,363,443 : x
2. Step 2: Convert to fraction form
   2,931,057/6,363,443 = 6,363,443/x
3. Step 3: Cross multiply
   2,931,057x = 6,363,443 × 6,363,443
4. Step 4: Simplify right side
   2,931,057x = 40,493,406,814,249
5. Step 5: Solve for x
   x = 40,493,406,814,249/2,931,057
6. Step 6: Final answer
   x = 13,815,291.49