Finding the Third Proportional to 2,961,221 and 6,429,826

Step by Step Solution

1. Step 1: Write the proportion equation
   2,961,221 : 6,429,826 = 6,429,826 : x
2. Step 2: Convert to fraction form
   2,961,221/6,429,826 = 6,429,826/x
3. Step 3: Cross multiply
   2,961,221x = 6,429,826 × 6,429,826
4. Step 4: Simplify right side
   2,961,221x = 41,342,662,390,276
5. Step 5: Solve for x
   x = 41,342,662,390,276/2,961,221
6. Step 6: Final answer
   x = 13,961,356.61