Finding the Third Proportional to 10,147,706 and 21,357,808

Step by Step Solution

1. Step 1: Write the proportion equation
   10,147,706 : 21,357,808 = 21,357,808 : x
2. Step 2: Convert to fraction form
   10,147,706/21,357,808 = 21,357,808/x
3. Step 3: Cross multiply
   10,147,706x = 21,357,808 × 21,357,808
4. Step 4: Simplify right side
   10,147,706x = 456,155,962,564,864
5. Step 5: Solve for x
   x = 456,155,962,564,864/10,147,706
6. Step 6: Final answer
   x = 44,951,633.66