Finding the Third Proportional to 10,181,836 and 21,956,916

Step by Step Solution

1. Step 1: Write the proportion equation
   10,181,836 : 21,956,916 = 21,956,916 : x
2. Step 2: Convert to fraction form
   10,181,836/21,956,916 = 21,956,916/x
3. Step 3: Cross multiply
   10,181,836x = 21,956,916 × 21,956,916
4. Step 4: Simplify right side
   10,181,836x = 482,106,160,231,056
5. Step 5: Solve for x
   x = 482,106,160,231,056/10,181,836
6. Step 6: Final answer
   x = 47,349,629.30