Finding the Third Proportional to 2,631,864 and 5,655,346

Step by Step Solution

1. Step 1: Write the proportion equation
   2,631,864 : 5,655,346 = 5,655,346 : x
2. Step 2: Convert to fraction form
   2,631,864/5,655,346 = 5,655,346/x
3. Step 3: Cross multiply
   2,631,864x = 5,655,346 × 5,655,346
4. Step 4: Simplify right side
   2,631,864x = 31,982,938,379,716
5. Step 5: Solve for x
   x = 31,982,938,379,716/2,631,864
6. Step 6: Final answer
   x = 12,152,200.26