Finding the Third Proportional to 10,147,710 and 21,357,816

Step by Step Solution

1. Step 1: Write the proportion equation
   10,147,710 : 21,357,816 = 21,357,816 : x
2. Step 2: Convert to fraction form
   10,147,710/21,357,816 = 21,357,816/x
3. Step 3: Cross multiply
   10,147,710x = 21,357,816 × 21,357,816
4. Step 4: Simplify right side
   10,147,710x = 456,156,304,289,856
5. Step 5: Solve for x
   x = 456,156,304,289,856/10,147,710
6. Step 6: Final answer
   x = 44,951,649.61