Finding the Third Proportional to 4,226,364 and 6,420,366

Step by Step Solution

1. Step 1: Write the proportion equation
   4,226,364 : 6,420,366 = 6,420,366 : x
2. Step 2: Convert to fraction form
   4,226,364/6,420,366 = 6,420,366/x
3. Step 3: Cross multiply
   4,226,364x = 6,420,366 × 6,420,366
4. Step 4: Simplify right side
   4,226,364x = 41,221,099,573,956
5. Step 5: Solve for x
   x = 41,221,099,573,956/4,226,364
6. Step 6: Final answer
   x = 9,753,324.51