Finding the Third Proportional to 10,149,728 and 21,982,346

Step by Step Solution

1. Step 1: Write the proportion equation
   10,149,728 : 21,982,346 = 21,982,346 : x
2. Step 2: Convert to fraction form
   10,149,728/21,982,346 = 21,982,346/x
3. Step 3: Cross multiply
   10,149,728x = 21,982,346 × 21,982,346
4. Step 4: Simplify right side
   10,149,728x = 483,223,535,663,716
5. Step 5: Solve for x
   x = 483,223,535,663,716/10,149,728
6. Step 6: Final answer
   x = 47,609,505.96