Finding the Third Proportional to 10,151,401 and 21,139,317

Step by Step Solution

1. Step 1: Write the proportion equation
   10,151,401 : 21,139,317 = 21,139,317 : x
2. Step 2: Convert to fraction form
   10,151,401/21,139,317 = 21,139,317/x
3. Step 3: Cross multiply
   10,151,401x = 21,139,317 × 21,139,317
4. Step 4: Simplify right side
   10,151,401x = 446,870,723,226,489
5. Step 5: Solve for x
   x = 446,870,723,226,489/10,151,401
6. Step 6: Final answer
   x = 44,020,596.10