Finding the Third Proportional to 2,172,253 and 2,856,517

Step by Step Solution

1. Step 1: Write the proportion equation
   2,172,253 : 2,856,517 = 2,856,517 : x
2. Step 2: Convert to fraction form
   2,172,253/2,856,517 = 2,856,517/x
3. Step 3: Cross multiply
   2,172,253x = 2,856,517 × 2,856,517
4. Step 4: Simplify right side
   2,172,253x = 8,159,689,371,289
5. Step 5: Solve for x
   x = 8,159,689,371,289/2,172,253
6. Step 6: Final answer
   x = 3,756,325.52