Finding the Third Proportional to 2,663,486 and 5,869,876

Step by Step Solution

1. Step 1: Write the proportion equation
   2,663,486 : 5,869,876 = 5,869,876 : x
2. Step 2: Convert to fraction form
   2,663,486/5,869,876 = 5,869,876/x
3. Step 3: Cross multiply
   2,663,486x = 5,869,876 × 5,869,876
4. Step 4: Simplify right side
   2,663,486x = 34,455,444,255,376
5. Step 5: Solve for x
   x = 34,455,444,255,376/2,663,486
6. Step 6: Final answer
   x = 12,936,221.27