Finding the Third Proportional to 2,631,842 and 5,655,158

Step by Step Solution

1. Step 1: Write the proportion equation
   2,631,842 : 5,655,158 = 5,655,158 : x
2. Step 2: Convert to fraction form
   2,631,842/5,655,158 = 5,655,158/x
3. Step 3: Cross multiply
   2,631,842x = 5,655,158 × 5,655,158
4. Step 4: Simplify right side
   2,631,842x = 31,980,812,004,964
5. Step 5: Solve for x
   x = 31,980,812,004,964/2,631,842
6. Step 6: Final answer
   x = 12,151,493.90