Finding the Third Proportional to 2,196,135 and 4,027,770

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196,135 : 4,027,770 = 4,027,770 : x
2. Step 2: Convert to fraction form
   2,196,135/4,027,770 = 4,027,770/x
3. Step 3: Cross multiply
   2,196,135x = 4,027,770 × 4,027,770
4. Step 4: Simplify right side
   2,196,135x = 16,222,931,172,900
5. Step 5: Solve for x
   x = 16,222,931,172,900/2,196,135
6. Step 6: Final answer
   x = 7,387,037.31