Finding the Third Proportional to 9,243,112 and 19,947,684

Step by Step Solution

1. Step 1: Write the proportion equation
   9,243,112 : 19,947,684 = 19,947,684 : x
2. Step 2: Convert to fraction form
   9,243,112/19,947,684 = 19,947,684/x
3. Step 3: Cross multiply
   9,243,112x = 19,947,684 × 19,947,684
4. Step 4: Simplify right side
   9,243,112x = 397,910,096,963,856
5. Step 5: Solve for x
   x = 397,910,096,963,856/9,243,112
6. Step 6: Final answer
   x = 43,049,364.43