Finding the Third Proportional to 2,535,617 and 5,638,162

Step by Step Solution

1. Step 1: Write the proportion equation
   2,535,617 : 5,638,162 = 5,638,162 : x
2. Step 2: Convert to fraction form
   2,535,617/5,638,162 = 5,638,162/x
3. Step 3: Cross multiply
   2,535,617x = 5,638,162 × 5,638,162
4. Step 4: Simplify right side
   2,535,617x = 31,788,870,738,244
5. Step 5: Solve for x
   x = 31,788,870,738,244/2,535,617
6. Step 6: Final answer
   x = 12,536,937.06