Finding the Third Proportional to 2,631,868 and 5,655,354

Step by Step Solution

1. Step 1: Write the proportion equation
   2,631,868 : 5,655,354 = 5,655,354 : x
2. Step 2: Convert to fraction form
   2,631,868/5,655,354 = 5,655,354/x
3. Step 3: Cross multiply
   2,631,868x = 5,655,354 × 5,655,354
4. Step 4: Simplify right side
   2,631,868x = 31,983,028,865,316
5. Step 5: Solve for x
   x = 31,983,028,865,316/2,631,868
6. Step 6: Final answer
   x = 12,152,216.17