Finding the Third Proportional to 9,919,224 and 21,028,800

Step by Step Solution

1. Step 1: Write the proportion equation
   9,919,224 : 21,028,800 = 21,028,800 : x
2. Step 2: Convert to fraction form
   9,919,224/21,028,800 = 21,028,800/x
3. Step 3: Cross multiply
   9,919,224x = 21,028,800 × 21,028,800
4. Step 4: Simplify right side
   9,919,224x = 442,210,429,440,000
5. Step 5: Solve for x
   x = 442,210,429,440,000/9,919,224
6. Step 6: Final answer
   x = 44,581,151.65