Finding the Third Proportional to 2,455,473 and 5,356,972

Step by Step Solution

1. Step 1: Write the proportion equation
   2,455,473 : 5,356,972 = 5,356,972 : x
2. Step 2: Convert to fraction form
   2,455,473/5,356,972 = 5,356,972/x
3. Step 3: Cross multiply
   2,455,473x = 5,356,972 × 5,356,972
4. Step 4: Simplify right side
   2,455,473x = 28,697,149,008,784
5. Step 5: Solve for x
   x = 28,697,149,008,784/2,455,473
6. Step 6: Final answer
   x = 11,687,014.68