Finding the Third Proportional to 9,066,624 and 19,728,288

Step by Step Solution

1. Step 1: Write the proportion equation
   9,066,624 : 19,728,288 = 19,728,288 : x
2. Step 2: Convert to fraction form
   9,066,624/19,728,288 = 19,728,288/x
3. Step 3: Cross multiply
   9,066,624x = 19,728,288 × 19,728,288
4. Step 4: Simplify right side
   9,066,624x = 389,205,347,410,944
5. Step 5: Solve for x
   x = 389,205,347,410,944/9,066,624
6. Step 6: Final answer
   x = 42,927,262.39